/** * A class for displaying various tree-like structures. * * Extend the Walker class to use it, see examples below. Child classes * do not need to implement all of the abstract methods in the class. The child * only needs to implement the methods that are needed. * * @since 2.1.0 * * @package WordPress * @abstract */ #[AllowDynamicProperties] class Walker { /** * What the class handles. * * @since 2.1.0 * @var string */ public $tree_type; /** * DB fields to use. * * @since 2.1.0 * @var string[] */ public $db_fields; /** * Max number of pages walked by the paged walker. * * @since 2.7.0 * @var int */ public $max_pages = 1; /** * Whether the current element has children or not. * * To be used in start_el(). * * @since 4.0.0 * @var bool */ public $has_children; /** * Starts the list before the elements are added. * * The $args parameter holds additional values that may be used with the child * class methods. This method is called at the start of the output list. * * @since 2.1.0 * @abstract * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of the item. * @param array $args An array of additional arguments. */ public function start_lvl( &$output, $depth = 0, $args = array() ) {} /** * Ends the list of after the elements are added. * * The $args parameter holds additional values that may be used with the child * class methods. This method finishes the list at the end of output of the elements. * * @since 2.1.0 * @abstract * * @param string $output Used to append additional content (passed by reference). * @param int $depth Depth of the item. * @param array $args An array of additional arguments. */ public function end_lvl( &$output, $depth = 0, $args = array() ) {} /** * Starts the element output. * * The $args parameter holds additional values that may be used with the child * class methods. Also includes the element output. * * @since 2.1.0 * @since 5.9.0 Renamed `$object` (a PHP reserved keyword) to `$data_object` for PHP 8 named parameter support. * @abstract * * @param string $output Used to append additional content (passed by reference). * @param object $data_object The data object. * @param int $depth Depth of the item. * @param array $args An array of additional arguments. * @param int $current_object_id Optional. ID of the current item. Default 0. */ public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {} /** * Ends the element output, if needed. * * The $args parameter holds additional values that may be used with the child class methods. * * @since 2.1.0 * @since 5.9.0 Renamed `$object` (a PHP reserved keyword) to `$data_object` for PHP 8 named parameter support. * @abstract * * @param string $output Used to append additional content (passed by reference). * @param object $data_object The data object. * @param int $depth Depth of the item. * @param array $args An array of additional arguments. */ public function end_el( &$output, $data_object, $depth = 0, $args = array() ) {} /** * Traverses elements to create list from elements. * * Display one element if the element doesn't have any children otherwise, * display the element and its children. Will only traverse up to the max * depth and no ignore elements under that depth. It is possible to set the * max depth to include all depths, see walk() method. * * This method should not be called directly, use the walk() method instead. * * @since 2.5.0 * * @param object $element Data object. * @param array $children_elements List of elements to continue traversing (passed by reference). * @param int $max_depth Max depth to traverse. * @param int $depth Depth of current element. * @param array $args An array of arguments. * @param string $output Used to append additional content (passed by reference). */ public function display_element( $element, &$children_elements, $max_depth, $depth, $args, &$output ) { if ( ! $element ) { return; } $id_field = $this->db_fields['id']; $id = $element->$id_field; // Display this element. $this->has_children = ! empty( $children_elements[ $id ] ); if ( isset( $args[0] ) && is_array( $args[0] ) ) { $args[0]['has_children'] = $this->has_children; // Back-compat. } $this->start_el( $output, $element, $depth, ...array_values( $args ) ); // Descend only when the depth is right and there are children for this element. if ( ( 0 == $max_depth || $max_depth > $depth + 1 ) && isset( $children_elements[ $id ] ) ) { foreach ( $children_elements[ $id ] as $child ) { if ( ! isset( $newlevel ) ) { $newlevel = true; // Start the child delimiter. $this->start_lvl( $output, $depth, ...array_values( $args ) ); } $this->display_element( $child, $children_elements, $max_depth, $depth + 1, $args, $output ); } unset( $children_elements[ $id ] ); } if ( isset( $newlevel ) && $newlevel ) { // End the child delimiter. $this->end_lvl( $output, $depth, ...array_values( $args ) ); } // End this element. $this->end_el( $output, $element, $depth, ...array_values( $args ) ); } /** * Displays array of elements hierarchically. * * Does not assume any existing order of elements. * * $max_depth = -1 means flatly display every element. * $max_depth = 0 means display all levels. * $max_depth > 0 specifies the number of display levels. * * @since 2.1.0 * @since 5.3.0 Formalized the existing `...$args` parameter by adding it * to the function signature. * * @param array $elements An array of elements. * @param int $max_depth The maximum hierarchical depth. * @param mixed ...$args Optional additional arguments. * @return string The hierarchical item output. */ public function walk( $elements, $max_depth, ...$args ) { $output = ''; // Invalid parameter or nothing to walk. if ( $max_depth < -1 || empty( $elements ) ) { return $output; } $parent_field = $this->db_fields['parent']; // Flat display. if ( -1 == $max_depth ) { $empty_array = array(); foreach ( $elements as $e ) { $this->display_element( $e, $empty_array, 1, 0, $args, $output ); } return $output; } /* * Need to display in hierarchical order. * Separate elements into two buckets: top level and children elements. * Children_elements is two dimensional array. Example: * Children_elements[10][] contains all sub-elements whose parent is 10. */ $top_level_elements = array(); $children_elements = array(); foreach ( $elements as $e ) { if ( empty( $e->$parent_field ) ) { $top_level_elements[] = $e; } else { $children_elements[ $e->$parent_field ][] = $e; } } /* * When none of the elements is top level. * Assume the first one must be root of the sub elements. */ if ( empty( $top_level_elements ) ) { $first = array_slice( $elements, 0, 1 ); $root = $first[0]; $top_level_elements = array(); $children_elements = array(); foreach ( $elements as $e ) { if ( $root->$parent_field == $e->$parent_field ) { $top_level_elements[] = $e; } else { $children_elements[ $e->$parent_field ][] = $e; } } } foreach ( $top_level_elements as $e ) { $this->display_element( $e, $children_elements, $max_depth, 0, $args, $output ); } /* * If we are displaying all levels, and remaining children_elements is not empty, * then we got orphans, which should be displayed regardless. */ if ( ( 0 == $max_depth ) && count( $children_elements ) > 0 ) { $empty_array = array(); foreach ( $children_elements as $orphans ) { foreach ( $orphans as $op ) { $this->display_element( $op, $empty_array, 1, 0, $args, $output ); } } } return $output; } /** * Produces a page of nested elements. * * Given an array of hierarchical elements, the maximum depth, a specific page number, * and number of elements per page, this function first determines all top level root elements * belonging to that page, then lists them and all of their children in hierarchical order. * * $max_depth = 0 means display all levels. * $max_depth > 0 specifies the number of display levels. * * @since 2.7.0 * @since 5.3.0 Formalized the existing `...$args` parameter by adding it * to the function signature. * * @param array $elements An array of elements. * @param int $max_depth The maximum hierarchical depth. * @param int $page_num The specific page number, beginning with 1. * @param int $per_page Number of elements per page. * @param mixed ...$args Optional additional arguments. * @return string XHTML of the specified page of elements. */ public function paged_walk( $elements, $max_depth, $page_num, $per_page, ...$args ) { if ( empty( $elements ) || $max_depth < -1 ) { return ''; } $output = ''; $parent_field = $this->db_fields['parent']; $count = -1; if ( -1 == $max_depth ) { $total_top = count( $elements ); } if ( $page_num < 1 || $per_page < 0 ) { // No paging. $paging = false; $start = 0; if ( -1 == $max_depth ) { $end = $total_top; } $this->max_pages = 1; } else { $paging = true; $start = ( (int) $page_num - 1 ) * (int) $per_page; $end = $start + $per_page; if ( -1 == $max_depth ) { $this->max_pages = (int) ceil( $total_top / $per_page ); } } // Flat display. if ( -1 == $max_depth ) { if ( ! empty( $args[0]['reverse_top_level'] ) ) { $elements = array_reverse( $elements ); $oldstart = $start; $start = $total_top - $end; $end = $total_top - $oldstart; } $empty_array = array(); foreach ( $elements as $e ) { ++$count; if ( $count < $start ) { continue; } if ( $count >= $end ) { break; } $this->display_element( $e, $empty_array, 1, 0, $args, $output ); } return $output; } /* * Separate elements into two buckets: top level and children elements. * Children_elements is two dimensional array, e.g. * $children_elements[10][] contains all sub-elements whose parent is 10. */ $top_level_elements = array(); $children_elements = array(); foreach ( $elements as $e ) { if ( empty( $e->$parent_field ) ) { $top_level_elements[] = $e; } else { $children_elements[ $e->$parent_field ][] = $e; } } $total_top = count( $top_level_elements ); if ( $paging ) { $this->max_pages = (int) ceil( $total_top / $per_page ); } else { $end = $total_top; } if ( ! empty( $args[0]['reverse_top_level'] ) ) { $top_level_elements = array_reverse( $top_level_elements ); $oldstart = $start; $start = $total_top - $end; $end = $total_top - $oldstart; } if ( ! empty( $args[0]['reverse_children'] ) ) { foreach ( $children_elements as $parent => $children ) { $children_elements[ $parent ] = array_reverse( $children ); } } foreach ( $top_level_elements as $e ) { ++$count; // For the last page, need to unset earlier children in order to keep track of orphans. if ( $end >= $total_top && $count < $start ) { $this->unset_children( $e, $children_elements ); } if ( $count < $start ) { continue; } if ( $count >= $end ) { break; } $this->display_element( $e, $children_elements, $max_depth, 0, $args, $output ); } if ( $end >= $total_top && count( $children_elements ) > 0 ) { $empty_array = array(); foreach ( $children_elements as $orphans ) { foreach ( $orphans as $op ) { $this->display_element( $op, $empty_array, 1, 0, $args, $output ); } } } return $output; } /** * Calculates the total number of root elements. * * @since 2.7.0 * * @param array $elements Elements to list. * @return int Number of root elements. */ public function get_number_of_root_elements( $elements ) { $num = 0; $parent_field = $this->db_fields['parent']; foreach ( $elements as $e ) { if ( empty( $e->$parent_field ) ) { ++$num; } } return $num; } /** * Unsets all the children for a given top level element. * * @since 2.7.0 * * @param object $element The top level element. * @param array $children_elements The children elements. */ public function unset_children( $element, &$children_elements ) { if ( ! $element || ! $children_elements ) { return; } $id_field = $this->db_fields['id']; $id = $element->$id_field; if ( ! empty( $children_elements[ $id ] ) && is_array( $children_elements[ $id ] ) ) { foreach ( (array) $children_elements[ $id ] as $child ) { $this->unset_children( $child, $children_elements ); } } unset( $children_elements[ $id ] ); } } /** * Core User Role & Capabilities API * * @package WordPress * @subpackage Users */ /** * Maps a capability to the primitive capabilities required of the given user to * satisfy the capability being checked. * * This function also accepts an ID of an object to map against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by this function to map to primitive * capabilities that a user or role requires, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * map_meta_cap( 'edit_posts', $user->ID ); * map_meta_cap( 'edit_post', $user->ID, $post->ID ); * map_meta_cap( 'edit_post_meta', $user->ID, $post->ID, $meta_key ); * * This function does not check whether the user has the required capabilities, * it just returns what the required capabilities are. * * @since 2.0.0 * @since 4.9.6 Added the `export_others_personal_data`, `erase_others_personal_data`, * and `manage_privacy_options` capabilities. * @since 5.1.0 Added the `update_php` capability. * @since 5.2.0 Added the `resume_plugin` and `resume_theme` capabilities. * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * @since 5.7.0 Added the `create_app_password`, `list_app_passwords`, `read_app_password`, * `edit_app_password`, `delete_app_passwords`, `delete_app_password`, * and `update_https` capabilities. * * @global array $post_type_meta_caps Used to get post type meta capabilities. * * @param string $cap Capability being checked. * @param int $user_id User ID. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return string[] Primitive capabilities required of the user. */ function map_meta_cap( $cap, $user_id, ...$args ) { $caps = array(); switch ( $cap ) { case 'remove_user': // In multisite the user must be a super admin to remove themselves. if ( isset( $args[0] ) && $user_id == $args[0] && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'remove_users'; } break; case 'promote_user': case 'add_users': $caps[] = 'promote_users'; break; case 'edit_user': case 'edit_users': // Allow user to edit themselves. if ( 'edit_user' === $cap && isset( $args[0] ) && $user_id == $args[0] ) { break; } // In multisite the user must have manage_network_users caps. If editing a super admin, the user must be a super admin. if ( is_multisite() && ( ( ! is_super_admin( $user_id ) && 'edit_user' === $cap && is_super_admin( $args[0] ) ) || ! user_can( $user_id, 'manage_network_users' ) ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'edit_users'; // edit_user maps to edit_users. } break; case 'delete_post': case 'delete_page': if ( ! isset( $args[0] ) ) { if ( 'delete_post' === $cap ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific page.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' === $post->post_type ) { $caps[] = 'do_not_allow'; break; } if ( ( get_option( 'page_for_posts' ) == $post->ID ) || ( get_option( 'page_on_front' ) == $post->ID ) ) { $caps[] = 'manage_options'; break; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'delete_post' === $cap ) { $cap = $post_type->cap->$cap; } break; } // If the post author is set and the user is the author... if ( $post->post_author && $user_id == $post->post_author ) { // If the post is published or scheduled... if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'trash' === $post->post_status ) { $status = get_post_meta( $post->ID, '_wp_trash_meta_status', true ); if ( in_array( $status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } else { $caps[] = $post_type->cap->delete_posts; } } else { // If the post is draft... $caps[] = $post_type->cap->delete_posts; } } else { // The user is trying to edit someone else's post. $caps[] = $post_type->cap->delete_others_posts; // The post is published or scheduled, extra cap required. if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'private' === $post->post_status ) { $caps[] = $post_type->cap->delete_private_posts; } } /* * Setting the privacy policy page requires `manage_privacy_options`, * so deleting it should require that too. */ if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) { $caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) ); } break; /* * edit_post breaks down to edit_posts, edit_published_posts, or * edit_others_posts. */ case 'edit_post': case 'edit_page': if ( ! isset( $args[0] ) ) { if ( 'edit_post' === $cap ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific page.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' === $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'edit_post' === $cap ) { $cap = $post_type->cap->$cap; } break; } // If the post author is set and the user is the author... if ( $post->post_author && $user_id == $post->post_author ) { // If the post is published or scheduled... if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'trash' === $post->post_status ) { $status = get_post_meta( $post->ID, '_wp_trash_meta_status', true ); if ( in_array( $status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } else { $caps[] = $post_type->cap->edit_posts; } } else { // If the post is draft... $caps[] = $post_type->cap->edit_posts; } } else { // The user is trying to edit someone else's post. $caps[] = $post_type->cap->edit_others_posts; // The post is published or scheduled, extra cap required. if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'private' === $post->post_status ) { $caps[] = $post_type->cap->edit_private_posts; } } /* * Setting the privacy policy page requires `manage_privacy_options`, * so editing it should require that too. */ if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) { $caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) ); } break; case 'read_post': case 'read_page': if ( ! isset( $args[0] ) ) { if ( 'read_post' === $cap ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific page.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' === $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'read_post' === $cap ) { $cap = $post_type->cap->$cap; } break; } $status_obj = get_post_status_object( get_post_status( $post ) ); if ( ! $status_obj ) { /* translators: 1: Post status, 2: Capability name. */ $message = __( 'The post status %1$s is not registered, so it may not be reliable to check the capability %2$s against a post with that status.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . get_post_status( $post ) . '', '' . $cap . '' ), '5.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( $status_obj->public ) { $caps[] = $post_type->cap->read; break; } if ( $post->post_author && $user_id == $post->post_author ) { $caps[] = $post_type->cap->read; } elseif ( $status_obj->private ) { $caps[] = $post_type->cap->read_private_posts; } else { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); } break; case 'publish_post': if ( ! isset( $args[0] ) ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } $caps[] = $post_type->cap->publish_posts; break; case 'edit_post_meta': case 'delete_post_meta': case 'add_post_meta': case 'edit_comment_meta': case 'delete_comment_meta': case 'add_comment_meta': case 'edit_term_meta': case 'delete_term_meta': case 'add_term_meta': case 'edit_user_meta': case 'delete_user_meta': case 'add_user_meta': $object_type = explode( '_', $cap )[1]; if ( ! isset( $args[0] ) ) { if ( 'post' === $object_type ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } elseif ( 'comment' === $object_type ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific comment.' ); } elseif ( 'term' === $object_type ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific term.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific user.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $object_id = (int) $args[0]; $object_subtype = get_object_subtype( $object_type, $object_id ); if ( empty( $object_subtype ) ) { $caps[] = 'do_not_allow'; break; } $caps = map_meta_cap( "edit_{$object_type}", $user_id, $object_id ); $meta_key = isset( $args[1] ) ? $args[1] : false; if ( $meta_key ) { $allowed = ! is_protected_meta( $meta_key, $object_type ); if ( ! empty( $object_subtype ) && has_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ) ) { /** * Filters whether the user is allowed to edit a specific meta key of a specific object type and subtype. * * The dynamic portions of the hook name, `$object_type`, `$meta_key`, * and `$object_subtype`, refer to the metadata object type (comment, post, term or user), * the meta key value, and the object subtype respectively. * * @since 4.9.8 * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps ); } else { /** * Filters whether the user is allowed to edit a specific meta key of a specific object type. * * Return true to have the mapped meta caps from `edit_{$object_type}` apply. * * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered. * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap(). * * @since 3.3.0 As `auth_post_meta_{$meta_key}`. * @since 4.6.0 * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps ); } if ( ! empty( $object_subtype ) ) { /** * Filters whether the user is allowed to edit meta for specific object types/subtypes. * * Return true to have the mapped meta caps from `edit_{$object_type}` apply. * * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered. * The dynamic portion of the hook name, `$object_subtype` refers to the object subtype being filtered. * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap(). * * @since 4.6.0 As `auth_post_{$post_type}_meta_{$meta_key}`. * @since 4.7.0 Renamed from `auth_post_{$post_type}_meta_{$meta_key}` to * `auth_{$object_type}_{$object_subtype}_meta_{$meta_key}`. * @deprecated 4.9.8 Use {@see 'auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}'} instead. * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters_deprecated( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", array( $allowed, $meta_key, $object_id, $user_id, $cap, $caps ), '4.9.8', "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ); } if ( ! $allowed ) { $caps[] = $cap; } } break; case 'edit_comment': if ( ! isset( $args[0] ) ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific comment.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $comment = get_comment( $args[0] ); if ( ! $comment ) { $caps[] = 'do_not_allow'; break; } $post = get_post( $comment->comment_post_ID ); /* * If the post doesn't exist, we have an orphaned comment. * Fall back to the edit_posts capability, instead. */ if ( $post ) { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); } else { $caps = map_meta_cap( 'edit_posts', $user_id ); } break; case 'unfiltered_upload': if ( defined( 'ALLOW_UNFILTERED_UPLOADS' ) && ALLOW_UNFILTERED_UPLOADS && ( ! is_multisite() || is_super_admin( $user_id ) ) ) { $caps[] = $cap; } else { $caps[] = 'do_not_allow'; } break; case 'edit_css': case 'unfiltered_html': // Disallow unfiltered_html for all users, even admins and super admins. if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'unfiltered_html'; } break; case 'edit_files': case 'edit_plugins': case 'edit_themes': // Disallow the file editors. if ( defined( 'DISALLOW_FILE_EDIT' ) && DISALLOW_FILE_EDIT ) { $caps[] = 'do_not_allow'; } elseif ( ! wp_is_file_mod_allowed( 'capability_edit_themes' ) ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = $cap; } break; case 'update_plugins': case 'delete_plugins': case 'install_plugins': case 'upload_plugins': case 'update_themes': case 'delete_themes': case 'install_themes': case 'upload_themes': case 'update_core': /* * Disallow anything that creates, deletes, or updates core, plugin, or theme files. * Files in uploads are excepted. */ if ( ! wp_is_file_mod_allowed( 'capability_update_core' ) ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } elseif ( 'upload_themes' === $cap ) { $caps[] = 'install_themes'; } elseif ( 'upload_plugins' === $cap ) { $caps[] = 'install_plugins'; } else { $caps[] = $cap; } break; case 'install_languages': case 'update_languages': if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'install_languages'; } break; case 'activate_plugins': case 'deactivate_plugins': case 'activate_plugin': case 'deactivate_plugin': $caps[] = 'activate_plugins'; if ( is_multisite() ) { // update_, install_, and delete_ are handled above with is_super_admin(). $menu_perms = get_site_option( 'menu_items', array() ); if ( empty( $menu_perms['plugins'] ) ) { $caps[] = 'manage_network_plugins'; } } break; case 'resume_plugin': $caps[] = 'resume_plugins'; break; case 'resume_theme': $caps[] = 'resume_themes'; break; case 'delete_user': case 'delete_users': // If multisite only super admins can delete users. if ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'delete_users'; // delete_user maps to delete_users. } break; case 'create_users': if ( ! is_multisite() ) { $caps[] = $cap; } elseif ( is_super_admin( $user_id ) || get_site_option( 'add_new_users' ) ) { $caps[] = $cap; } else { $caps[] = 'do_not_allow'; } break; case 'manage_links': if ( get_option( 'link_manager_enabled' ) ) { $caps[] = $cap; } else { $caps[] = 'do_not_allow'; } break; case 'customize': $caps[] = 'edit_theme_options'; break; case 'delete_site': if ( is_multisite() ) { $caps[] = 'manage_options'; } else { $caps[] = 'do_not_allow'; } break; case 'edit_term': case 'delete_term': case 'assign_term': if ( ! isset( $args[0] ) ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific term.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $term_id = (int) $args[0]; $term = get_term( $term_id ); if ( ! $term || is_wp_error( $term ) ) { $caps[] = 'do_not_allow'; break; } $tax = get_taxonomy( $term->taxonomy ); if ( ! $tax ) { $caps[] = 'do_not_allow'; break; } if ( 'delete_term' === $cap && ( get_option( 'default_' . $term->taxonomy ) == $term->term_id || get_option( 'default_term_' . $term->taxonomy ) == $term->term_id ) ) { $caps[] = 'do_not_allow'; break; } $taxo_cap = $cap . 's'; $caps = map_meta_cap( $tax->cap->$taxo_cap, $user_id, $term_id ); break; case 'manage_post_tags': case 'edit_categories': case 'edit_post_tags': case 'delete_categories': case 'delete_post_tags': $caps[] = 'manage_categories'; break; case 'assign_categories': case 'assign_post_tags': $caps[] = 'edit_posts'; break; case 'create_sites': case 'delete_sites': case 'manage_network': case 'manage_sites': case 'manage_network_users': case 'manage_network_plugins': case 'manage_network_themes': case 'manage_network_options': case 'upgrade_network': $caps[] = $cap; break; case 'setup_network': if ( is_multisite() ) { $caps[] = 'manage_network_options'; } else { $caps[] = 'manage_options'; } break; case 'update_php': if ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'update_core'; } break; case 'update_https': if ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'manage_options'; $caps[] = 'update_core'; } break; case 'export_others_personal_data': case 'erase_others_personal_data': case 'manage_privacy_options': $caps[] = is_multisite() ? 'manage_network' : 'manage_options'; break; case 'create_app_password': case 'list_app_passwords': case 'read_app_password': case 'edit_app_password': case 'delete_app_passwords': case 'delete_app_password': $caps = map_meta_cap( 'edit_user', $user_id, $args[0] ); break; default: // Handle meta capabilities for custom post types. global $post_type_meta_caps; if ( isset( $post_type_meta_caps[ $cap ] ) ) { return map_meta_cap( $post_type_meta_caps[ $cap ], $user_id, ...$args ); } // Block capabilities map to their post equivalent. $block_caps = array( 'edit_blocks', 'edit_others_blocks', 'publish_blocks', 'read_private_blocks', 'delete_blocks', 'delete_private_blocks', 'delete_published_blocks', 'delete_others_blocks', 'edit_private_blocks', 'edit_published_blocks', ); if ( in_array( $cap, $block_caps, true ) ) { $cap = str_replace( '_blocks', '_posts', $cap ); } // If no meta caps match, return the original cap. $caps[] = $cap; } /** * Filters the primitive capabilities required of the given user to satisfy the * capability being checked. * * @since 2.8.0 * * @param string[] $caps Primitive capabilities required of the user. * @param string $cap Capability being checked. * @param int $user_id The user ID. * @param array $args Adds context to the capability check, typically * starting with an object ID. */ return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args ); } /** * Returns whether the current user has the specified capability. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * current_user_can( 'edit_posts' ); * current_user_can( 'edit_post', $post->ID ); * current_user_can( 'edit_post_meta', $post->ID, $meta_key ); * * While checking against particular roles in place of a capability is supported * in part, this practice is discouraged as it may produce unreliable results. * * Note: Will always return true if the current user is a super admin, unless specifically denied. * * @since 2.0.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * @since 5.8.0 Converted to wrapper for the user_can() function. * * @see WP_User::has_cap() * @see map_meta_cap() * * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is * passed, whether the current user has the given meta capability for the given object. */ function current_user_can( $capability, ...$args ) { return user_can( wp_get_current_user(), $capability, ...$args ); } /** * Returns whether the current user has the specified capability for a given site. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * current_user_can_for_blog( $blog_id, 'edit_posts' ); * current_user_can_for_blog( $blog_id, 'edit_post', $post->ID ); * current_user_can_for_blog( $blog_id, 'edit_post_meta', $post->ID, $meta_key ); * * @since 3.0.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * @since 5.8.0 Wraps current_user_can() after switching to blog. * * @param int $blog_id Site ID. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the user has the given capability. */ function current_user_can_for_blog( $blog_id, $capability, ...$args ) { $switched = is_multisite() ? switch_to_blog( $blog_id ) : false; $can = current_user_can( $capability, ...$args ); if ( $switched ) { restore_current_blog(); } return $can; } /** * Returns whether the author of the supplied post has the specified capability. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * author_can( $post, 'edit_posts' ); * author_can( $post, 'edit_post', $post->ID ); * author_can( $post, 'edit_post_meta', $post->ID, $meta_key ); * * @since 2.9.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * * @param int|WP_Post $post Post ID or post object. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the post author has the given capability. */ function author_can( $post, $capability, ...$args ) { $post = get_post( $post ); if ( ! $post ) { return false; } $author = get_userdata( $post->post_author ); if ( ! $author ) { return false; } return $author->has_cap( $capability, ...$args ); } /** * Returns whether a particular user has the specified capability. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * user_can( $user->ID, 'edit_posts' ); * user_can( $user->ID, 'edit_post', $post->ID ); * user_can( $user->ID, 'edit_post_meta', $post->ID, $meta_key ); * * @since 3.1.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * * @param int|WP_User $user User ID or object. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the user has the given capability. */ function user_can( $user, $capability, ...$args ) { if ( ! is_object( $user ) ) { $user = get_userdata( $user ); } if ( empty( $user ) ) { // User is logged out, create anonymous user object. $user = new WP_User( 0 ); $user->init( new stdClass() ); } return $user->has_cap( $capability, ...$args ); } /** * Retrieves the global WP_Roles instance and instantiates it if necessary. * * @since 4.3.0 * * @global WP_Roles $wp_roles WordPress role management object. * * @return WP_Roles WP_Roles global instance if not already instantiated. */ function wp_roles() { global $wp_roles; if ( ! isset( $wp_roles ) ) { $wp_roles = new WP_Roles(); } return $wp_roles; } /** * Retrieves role object. * * @since 2.0.0 * * @param string $role Role name. * @return WP_Role|null WP_Role object if found, null if the role does not exist. */ function get_role( $role ) { return wp_roles()->get_role( $role ); } /** * Adds a role, if it does not exist. * * @since 2.0.0 * * @param string $role Role name. * @param string $display_name Display name for role. * @param bool[] $capabilities List of capabilities keyed by the capability name, * e.g. array( 'edit_posts' => true, 'delete_posts' => false ). * @return WP_Role|void WP_Role object, if the role is added. */ function add_role( $role, $display_name, $capabilities = array() ) { if ( empty( $role ) ) { return; } return wp_roles()->add_role( $role, $display_name, $capabilities ); } /** * Removes a role, if it exists. * * @since 2.0.0 * * @param string $role Role name. */ function remove_role( $role ) { wp_roles()->remove_role( $role ); } /** * Retrieves a list of super admins. * * @since 3.0.0 * * @global array $super_admins * * @return string[] List of super admin logins. */ function get_super_admins() { global $super_admins; if ( isset( $super_admins ) ) { return $super_admins; } else { return get_site_option( 'site_admins', array( 'admin' ) ); } } /** * Determines whether user is a site admin. * * @since 3.0.0 * * @param int|false $user_id Optional. The ID of a user. Defaults to false, to check the current user. * @return bool Whether the user is a site admin. */ function is_super_admin( $user_id = false ) { if ( ! $user_id ) { $user = wp_get_current_user(); } else { $user = get_userdata( $user_id ); } if ( ! $user || ! $user->exists() ) { return false; } if ( is_multisite() ) { $super_admins = get_super_admins(); if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins, true ) ) { return true; } } else { if ( $user->has_cap( 'delete_users' ) ) { return true; } } return false; } /** * Grants Super Admin privileges. * * @since 3.0.0 * * @global array $super_admins * * @param int $user_id ID of the user to be granted Super Admin privileges. * @return bool True on success, false on failure. This can fail when the user is * already a super admin or when the `$super_admins` global is defined. */ function grant_super_admin( $user_id ) { // If global super_admins override is defined, there is nothing to do here. if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) { return false; } /** * Fires before the user is granted Super Admin privileges. * * @since 3.0.0 * * @param int $user_id ID of the user that is about to be granted Super Admin privileges. */ do_action( 'grant_super_admin', $user_id ); // Directly fetch site_admins instead of using get_super_admins(). $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); $user = get_userdata( $user_id ); if ( $user && ! in_array( $user->user_login, $super_admins, true ) ) { $super_admins[] = $user->user_login; update_site_option( 'site_admins', $super_admins ); /** * Fires after the user is granted Super Admin privileges. * * @since 3.0.0 * * @param int $user_id ID of the user that was granted Super Admin privileges. */ do_action( 'granted_super_admin', $user_id ); return true; } return false; } /** * Revokes Super Admin privileges. * * @since 3.0.0 * * @global array $super_admins * * @param int $user_id ID of the user Super Admin privileges to be revoked from. * @return bool True on success, false on failure. This can fail when the user's email * is the network admin email or when the `$super_admins` global is defined. */ function revoke_super_admin( $user_id ) { // If global super_admins override is defined, there is nothing to do here. if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) { return false; } /** * Fires before the user's Super Admin privileges are revoked. * * @since 3.0.0 * * @param int $user_id ID of the user Super Admin privileges are being revoked from. */ do_action( 'revoke_super_admin', $user_id ); // Directly fetch site_admins instead of using get_super_admins(). $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); $user = get_userdata( $user_id ); if ( $user && 0 !== strcasecmp( $user->user_email, get_site_option( 'admin_email' ) ) ) { $key = array_search( $user->user_login, $super_admins, true ); if ( false !== $key ) { unset( $super_admins[ $key ] ); update_site_option( 'site_admins', $super_admins ); /** * Fires after the user's Super Admin privileges are revoked. * * @since 3.0.0 * * @param int $user_id ID of the user Super Admin privileges were revoked from. */ do_action( 'revoked_super_admin', $user_id ); return true; } } return false; } /** * Filters the user capabilities to grant the 'install_languages' capability as necessary. * * A user must have at least one out of the 'update_core', 'install_plugins', and * 'install_themes' capabilities to qualify for 'install_languages'. * * @since 4.9.0 * * @param bool[] $allcaps An array of all the user's capabilities. * @return bool[] Filtered array of the user's capabilities. */ function wp_maybe_grant_install_languages_cap( $allcaps ) { if ( ! empty( $allcaps['update_core'] ) || ! empty( $allcaps['install_plugins'] ) || ! empty( $allcaps['install_themes'] ) ) { $allcaps['install_languages'] = true; } return $allcaps; } /** * Filters the user capabilities to grant the 'resume_plugins' and 'resume_themes' capabilities as necessary. * * @since 5.2.0 * * @param bool[] $allcaps An array of all the user's capabilities. * @return bool[] Filtered array of the user's capabilities. */ function wp_maybe_grant_resume_extensions_caps( $allcaps ) { // Even in a multisite, regular administrators should be able to resume plugins. if ( ! empty( $allcaps['activate_plugins'] ) ) { $allcaps['resume_plugins'] = true; } // Even in a multisite, regular administrators should be able to resume themes. if ( ! empty( $allcaps['switch_themes'] ) ) { $allcaps['resume_themes'] = true; } return $allcaps; } /** * Filters the user capabilities to grant the 'view_site_health_checks' capabilities as necessary. * * @since 5.2.2 * * @param bool[] $allcaps An array of all the user's capabilities. * @param string[] $caps Required primitive capabilities for the requested capability. * @param array $args { * Arguments that accompany the requested capability check. * * @type string $0 Requested capability. * @type int $1 Concerned user ID. * @type mixed ...$2 Optional second and further parameters, typically object ID. * } * @param WP_User $user The user object. * @return bool[] Filtered array of the user's capabilities. */ function wp_maybe_grant_site_health_caps( $allcaps, $caps, $args, $user ) { if ( ! empty( $allcaps['install_plugins'] ) && ( ! is_multisite() || is_super_admin( $user->ID ) ) ) { $allcaps['view_site_health_checks'] = true; } return $allcaps; } return; // Dummy gettext calls to get strings in the catalog. /* translators: User role for administrators. */ _x( 'Administrator', 'User role' ); /* translators: User role for editors. */ _x( 'Editor', 'User role' ); /* translators: User role for authors. */ _x( 'Author', 'User role' ); /* translators: User role for contributors. */ _x( 'Contributor', 'User role' ); /* translators: User role for subscribers. */ _x( 'Subscriber', 'User role' ); /** * Class for generating SQL clauses that filter a primary query according to date. * * WP_Date_Query is a helper that allows primary query classes, such as WP_Query, to filter * their results by date columns, by generating `WHERE` subclauses to be attached to the * primary SQL query string. * * Attempting to filter by an invalid date value (eg month=13) will generate SQL that will * return no results. In these cases, a _doing_it_wrong() error notice is also thrown. * See WP_Date_Query::validate_date_values(). * * @link https://developer.wordpress.org/reference/classes/wp_query/ * * @since 3.7.0 */ #[AllowDynamicProperties] class WP_Date_Query { /** * Array of date queries. * * See WP_Date_Query::__construct() for information on date query arguments. * * @since 3.7.0 * @var array */ public $queries = array(); /** * The default relation between top-level queries. Can be either 'AND' or 'OR'. * * @since 3.7.0 * @var string */ public $relation = 'AND'; /** * The column to query against. Can be changed via the query arguments. * * @since 3.7.0 * @var string */ public $column = 'post_date'; /** * The value comparison operator. Can be changed via the query arguments. * * @since 3.7.0 * @var string */ public $compare = '='; /** * Supported time-related parameter keys. * * @since 4.1.0 * @var string[] */ public $time_keys = array( 'after', 'before', 'year', 'month', 'monthnum', 'week', 'w', 'dayofyear', 'day', 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second' ); /** * Constructor. * * Time-related parameters that normally require integer values ('year', 'month', 'week', 'dayofyear', 'day', * 'dayofweek', 'dayofweek_iso', 'hour', 'minute', 'second') accept arrays of integers for some values of * 'compare'. When 'compare' is 'IN' or 'NOT IN', arrays are accepted; when 'compare' is 'BETWEEN' or 'NOT * BETWEEN', arrays of two valid values are required. See individual argument descriptions for accepted values. * * @since 3.7.0 * @since 4.0.0 The $inclusive logic was updated to include all times within the date range. * @since 4.1.0 Introduced 'dayofweek_iso' time type parameter. * * @param array $date_query { * Array of date query clauses. * * @type array ...$0 { * @type string $column Optional. The column to query against. If undefined, inherits the value of * the `$default_column` parameter. See WP_Date_Query::validate_column() and * the {@see 'date_query_valid_columns'} filter for the list of accepted values. * Default 'post_date'. * @type string $compare Optional. The comparison operator. Accepts '=', '!=', '>', '>=', '<', '<=', * 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. Default '='. * @type string $relation Optional. The boolean relationship between the date queries. Accepts 'OR' or 'AND'. * Default 'OR'. * @type array ...$0 { * Optional. An array of first-order clause parameters, or another fully-formed date query. * * @type string|array $before { * Optional. Date to retrieve posts before. Accepts `strtotime()`-compatible string, * or array of 'year', 'month', 'day' values. * * @type string $year The four-digit year. Default empty. Accepts any four-digit year. * @type string $month Optional when passing array.The month of the year. * Default (string:empty)|(array:1). Accepts numbers 1-12. * @type string $day Optional when passing array.The day of the month. * Default (string:empty)|(array:1). Accepts numbers 1-31. * } * @type string|array $after { * Optional. Date to retrieve posts after. Accepts `strtotime()`-compatible string, * or array of 'year', 'month', 'day' values. * * @type string $year The four-digit year. Accepts any four-digit year. Default empty. * @type string $month Optional when passing array. The month of the year. Accepts numbers 1-12. * Default (string:empty)|(array:12). * @type string $day Optional when passing array.The day of the month. Accepts numbers 1-31. * Default (string:empty)|(array:last day of month). * } * @type string $column Optional. Used to add a clause comparing a column other than * the column specified in the top-level `$column` parameter. * See WP_Date_Query::validate_column() and * the {@see 'date_query_valid_columns'} filter for the list * of accepted values. Default is the value of top-level `$column`. * @type string $compare Optional. The comparison operator. Accepts '=', '!=', '>', '>=', * '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN'. 'IN', * 'NOT IN', 'BETWEEN', and 'NOT BETWEEN'. Comparisons support * arrays in some time-related parameters. Default '='. * @type bool $inclusive Optional. Include results from dates specified in 'before' or * 'after'. Default false. * @type int|int[] $year Optional. The four-digit year number. Accepts any four-digit year * or an array of years if `$compare` supports it. Default empty. * @type int|int[] $month Optional. The two-digit month number. Accepts numbers 1-12 or an * array of valid numbers if `$compare` supports it. Default empty. * @type int|int[] $week Optional. The week number of the year. Accepts numbers 0-53 or an * array of valid numbers if `$compare` supports it. Default empty. * @type int|int[] $dayofyear Optional. The day number of the year. Accepts numbers 1-366 or an * array of valid numbers if `$compare` supports it. * @type int|int[] $day Optional. The day of the month. Accepts numbers 1-31 or an array * of valid numbers if `$compare` supports it. Default empty. * @type int|int[] $dayofweek Optional. The day number of the week. Accepts numbers 1-7 (1 is * Sunday) or an array of valid numbers if `$compare` supports it. * Default empty. * @type int|int[] $dayofweek_iso Optional. The day number of the week (ISO). Accepts numbers 1-7 * (1 is Monday) or an array of valid numbers if `$compare` supports it. * Default empty. * @type int|int[] $hour Optional. The hour of the day. Accepts numbers 0-23 or an array * of valid numbers if `$compare` supports it. Default empty. * @type int|int[] $minute Optional. The minute of the hour. Accepts numbers 0-59 or an array * of valid numbers if `$compare` supports it. Default empty. * @type int|int[] $second Optional. The second of the minute. Accepts numbers 0-59 or an * array of valid numbers if `$compare` supports it. Default empty. * } * } * } * @param string $default_column Optional. Default column to query against. See WP_Date_Query::validate_column() * and the {@see 'date_query_valid_columns'} filter for the list of accepted values. * Default 'post_date'. */ public function __construct( $date_query, $default_column = 'post_date' ) { if ( empty( $date_query ) || ! is_array( $date_query ) ) { return; } if ( isset( $date_query['relation'] ) ) { $this->relation = $this->sanitize_relation( $date_query['relation'] ); } else { $this->relation = 'AND'; } // Support for passing time-based keys in the top level of the $date_query array. if ( ! isset( $date_query[0] ) ) { $date_query = array( $date_query ); } if ( ! empty( $date_query['column'] ) ) { $date_query['column'] = esc_sql( $date_query['column'] ); } else { $date_query['column'] = esc_sql( $default_column ); } $this->column = $this->validate_column( $this->column ); $this->compare = $this->get_compare( $date_query ); $this->queries = $this->sanitize_query( $date_query ); } /** * Recursive-friendly query sanitizer. * * Ensures that each query-level clause has a 'relation' key, and that * each first-order clause contains all the necessary keys from `$defaults`. * * @since 4.1.0 * * @param array $queries * @param array $parent_query * @return array Sanitized queries. */ public function sanitize_query( $queries, $parent_query = null ) { $cleaned_query = array(); $defaults = array( 'column' => 'post_date', 'compare' => '=', 'relation' => 'AND', ); // Numeric keys should always have array values. foreach ( $queries as $qkey => $qvalue ) { if ( is_numeric( $qkey ) && ! is_array( $qvalue ) ) { unset( $queries[ $qkey ] ); } } // Each query should have a value for each default key. Inherit from the parent when possible. foreach ( $defaults as $dkey => $dvalue ) { if ( isset( $queries[ $dkey ] ) ) { continue; } if ( isset( $parent_query[ $dkey ] ) ) { $queries[ $dkey ] = $parent_query[ $dkey ]; } else { $queries[ $dkey ] = $dvalue; } } // Validate the dates passed in the query. if ( $this->is_first_order_clause( $queries ) ) { $this->validate_date_values( $queries ); } // Sanitize the relation parameter. $queries['relation'] = $this->sanitize_relation( $queries['relation'] ); foreach ( $queries as $key => $q ) { if ( ! is_array( $q ) || in_array( $key, $this->time_keys, true ) ) { // This is a first-order query. Trust the values and sanitize when building SQL. $cleaned_query[ $key ] = $q; } else { // Any array without a time key is another query, so we recurse. $cleaned_query[] = $this->sanitize_query( $q, $queries ); } } return $cleaned_query; } /** * Determines whether this is a first-order clause. * * Checks to see if the current clause has any time-related keys. * If so, it's first-order. * * @since 4.1.0 * * @param array $query Query clause. * @return bool True if this is a first-order clause. */ protected function is_first_order_clause( $query ) { $time_keys = array_intersect( $this->time_keys, array_keys( $query ) ); return ! empty( $time_keys ); } /** * Determines and validates what comparison operator to use. * * @since 3.7.0 * * @param array $query A date query or a date subquery. * @return string The comparison operator. */ public function get_compare( $query ) { if ( ! empty( $query['compare'] ) && in_array( $query['compare'], array( '=', '!=', '>', '>=', '<', '<=', 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) { return strtoupper( $query['compare'] ); } return $this->compare; } /** * Validates the given date_query values and triggers errors if something is not valid. * * Note that date queries with invalid date ranges are allowed to * continue (though of course no items will be found for impossible dates). * This method only generates debug notices for these cases. * * @since 4.1.0 * * @param array $date_query The date_query array. * @return bool True if all values in the query are valid, false if one or more fail. */ public function validate_date_values( $date_query = array() ) { if ( empty( $date_query ) ) { return false; } $valid = true; /* * Validate 'before' and 'after' up front, then let the * validation routine continue to be sure that all invalid * values generate errors too. */ if ( array_key_exists( 'before', $date_query ) && is_array( $date_query['before'] ) ) { $valid = $this->validate_date_values( $date_query['before'] ); } if ( array_key_exists( 'after', $date_query ) && is_array( $date_query['after'] ) ) { $valid = $this->validate_date_values( $date_query['after'] ); } // Array containing all min-max checks. $min_max_checks = array(); // Days per year. if ( array_key_exists( 'year', $date_query ) ) { /* * If a year exists in the date query, we can use it to get the days. * If multiple years are provided (as in a BETWEEN), use the first one. */ if ( is_array( $date_query['year'] ) ) { $_year = reset( $date_query['year'] ); } else { $_year = $date_query['year']; } $max_days_of_year = gmdate( 'z', mktime( 0, 0, 0, 12, 31, $_year ) ) + 1; } else { // Otherwise we use the max of 366 (leap-year). $max_days_of_year = 366; } $min_max_checks['dayofyear'] = array( 'min' => 1, 'max' => $max_days_of_year, ); // Days per week. $min_max_checks['dayofweek'] = array( 'min' => 1, 'max' => 7, ); // Days per week. $min_max_checks['dayofweek_iso'] = array( 'min' => 1, 'max' => 7, ); // Months per year. $min_max_checks['month'] = array( 'min' => 1, 'max' => 12, ); // Weeks per year. if ( isset( $_year ) ) { /* * If we have a specific year, use it to calculate number of weeks. * Note: the number of weeks in a year is the date in which Dec 28 appears. */ $week_count = gmdate( 'W', mktime( 0, 0, 0, 12, 28, $_year ) ); } else { // Otherwise set the week-count to a maximum of 53. $week_count = 53; } $min_max_checks['week'] = array( 'min' => 1, 'max' => $week_count, ); // Days per month. $min_max_checks['day'] = array( 'min' => 1, 'max' => 31, ); // Hours per day. $min_max_checks['hour'] = array( 'min' => 0, 'max' => 23, ); // Minutes per hour. $min_max_checks['minute'] = array( 'min' => 0, 'max' => 59, ); // Seconds per minute. $min_max_checks['second'] = array( 'min' => 0, 'max' => 59, ); // Concatenate and throw a notice for each invalid value. foreach ( $min_max_checks as $key => $check ) { if ( ! array_key_exists( $key, $date_query ) ) { continue; } // Throw a notice for each failing value. foreach ( (array) $date_query[ $key ] as $_value ) { $is_between = $_value >= $check['min'] && $_value <= $check['max']; if ( ! is_numeric( $_value ) || ! $is_between ) { $error = sprintf( /* translators: Date query invalid date message. 1: Invalid value, 2: Type of value, 3: Minimum valid value, 4: Maximum valid value. */ __( 'Invalid value %1$s for %2$s. Expected value should be between %3$s and %4$s.' ), '' . esc_html( $_value ) . '', '' . esc_html( $key ) . '', '' . esc_html( $check['min'] ) . '', '' . esc_html( $check['max'] ) . '' ); _doing_it_wrong( __CLASS__, $error, '4.1.0' ); $valid = false; } } } // If we already have invalid date messages, don't bother running through checkdate(). if ( ! $valid ) { return $valid; } $day_month_year_error_msg = ''; $day_exists = array_key_exists( 'day', $date_query ) && is_numeric( $date_query['day'] ); $month_exists = array_key_exists( 'month', $date_query ) && is_numeric( $date_query['month'] ); $year_exists = array_key_exists( 'year', $date_query ) && is_numeric( $date_query['year'] ); if ( $day_exists && $month_exists && $year_exists ) { // 1. Checking day, month, year combination. if ( ! wp_checkdate( $date_query['month'], $date_query['day'], $date_query['year'], sprintf( '%s-%s-%s', $date_query['year'], $date_query['month'], $date_query['day'] ) ) ) { $day_month_year_error_msg = sprintf( /* translators: 1: Year, 2: Month, 3: Day of month. */ __( 'The following values do not describe a valid date: year %1$s, month %2$s, day %3$s.' ), '' . esc_html( $date_query['year'] ) . '', '' . esc_html( $date_query['month'] ) . '', '' . esc_html( $date_query['day'] ) . '' ); $valid = false; } } elseif ( $day_exists && $month_exists ) { /* * 2. checking day, month combination * We use 2012 because, as a leap year, it's the most permissive. */ if ( ! wp_checkdate( $date_query['month'], $date_query['day'], 2012, sprintf( '2012-%s-%s', $date_query['month'], $date_query['day'] ) ) ) { $day_month_year_error_msg = sprintf( /* translators: 1: Month, 2: Day of month. */ __( 'The following values do not describe a valid date: month %1$s, day %2$s.' ), '' . esc_html( $date_query['month'] ) . '', '' . esc_html( $date_query['day'] ) . '' ); $valid = false; } } if ( ! empty( $day_month_year_error_msg ) ) { _doing_it_wrong( __CLASS__, $day_month_year_error_msg, '4.1.0' ); } return $valid; } /** * Validates a column name parameter. * * Column names without a table prefix (like 'post_date') are checked against a list of * allowed and known tables, and then, if found, have a table prefix (such as 'wp_posts.') * prepended. Prefixed column names (such as 'wp_posts.post_date') bypass this allowed * check, and are only sanitized to remove illegal characters. * * @since 3.7.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $column The user-supplied column name. * @return string A validated column name value. */ public function validate_column( $column ) { global $wpdb; $valid_columns = array( 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', 'comment_date', 'comment_date_gmt', 'user_registered', 'registered', 'last_updated', ); // Attempt to detect a table prefix. if ( ! str_contains( $column, '.' ) ) { /** * Filters the list of valid date query columns. * * @since 3.7.0 * @since 4.1.0 Added 'user_registered' to the default recognized columns. * @since 4.6.0 Added 'registered' and 'last_updated' to the default recognized columns. * * @param string[] $valid_columns An array of valid date query columns. Defaults * are 'post_date', 'post_date_gmt', 'post_modified', * 'post_modified_gmt', 'comment_date', 'comment_date_gmt', * 'user_registered', 'registered', 'last_updated'. */ if ( ! in_array( $column, apply_filters( 'date_query_valid_columns', $valid_columns ), true ) ) { $column = 'post_date'; } $known_columns = array( $wpdb->posts => array( 'post_date', 'post_date_gmt', 'post_modified', 'post_modified_gmt', ), $wpdb->comments => array( 'comment_date', 'comment_date_gmt', ), $wpdb->users => array( 'user_registered', ), $wpdb->blogs => array( 'registered', 'last_updated', ), ); // If it's a known column name, add the appropriate table prefix. foreach ( $known_columns as $table_name => $table_columns ) { if ( in_array( $column, $table_columns, true ) ) { $column = $table_name . '.' . $column; break; } } } // Remove unsafe characters. return preg_replace( '/[^a-zA-Z0-9_$\.]/', '', $column ); } /** * Generates WHERE clause to be appended to a main query. * * @since 3.7.0 * * @return string MySQL WHERE clause. */ public function get_sql() { $sql = $this->get_sql_clauses(); $where = $sql['where']; /** * Filters the date query WHERE clause. * * @since 3.7.0 * * @param string $where WHERE clause of the date query. * @param WP_Date_Query $query The WP_Date_Query instance. */ return apply_filters( 'get_date_sql', $where, $this ); } /** * Generates SQL clauses to be appended to a main query. * * Called by the public WP_Date_Query::get_sql(), this method is abstracted * out to maintain parity with the other Query classes. * * @since 4.1.0 * * @return string[] { * Array containing JOIN and WHERE SQL clauses to append to the main query. * * @type string $join SQL fragment to append to the main JOIN clause. * @type string $where SQL fragment to append to the main WHERE clause. * } */ protected function get_sql_clauses() { $sql = $this->get_sql_for_query( $this->queries ); if ( ! empty( $sql['where'] ) ) { $sql['where'] = ' AND ' . $sql['where']; } return $sql; } /** * Generates SQL clauses for a single query array. * * If nested subqueries are found, this method recurses the tree to * produce the properly nested SQL. * * @since 4.1.0 * * @param array $query Query to parse. * @param int $depth Optional. Number of tree levels deep we currently are. * Used to calculate indentation. Default 0. * @return array { * Array containing JOIN and WHERE SQL clauses to append to a single query array. * * @type string $join SQL fragment to append to the main JOIN clause. * @type string $where SQL fragment to append to the main WHERE clause. * } */ protected function get_sql_for_query( $query, $depth = 0 ) { $sql_chunks = array( 'join' => array(), 'where' => array(), ); $sql = array( 'join' => '', 'where' => '', ); $indent = ''; for ( $i = 0; $i < $depth; $i++ ) { $indent .= ' '; } foreach ( $query as $key => $clause ) { if ( 'relation' === $key ) { $relation = $query['relation']; } elseif ( is_array( $clause ) ) { // This is a first-order clause. if ( $this->is_first_order_clause( $clause ) ) { $clause_sql = $this->get_sql_for_clause( $clause, $query ); $where_count = count( $clause_sql['where'] ); if ( ! $where_count ) { $sql_chunks['where'][] = ''; } elseif ( 1 === $where_count ) { $sql_chunks['where'][] = $clause_sql['where'][0]; } else { $sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )'; } $sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] ); // This is a subquery, so we recurse. } else { $clause_sql = $this->get_sql_for_query( $clause, $depth + 1 ); $sql_chunks['where'][] = $clause_sql['where']; $sql_chunks['join'][] = $clause_sql['join']; } } } // Filter to remove empties. $sql_chunks['join'] = array_filter( $sql_chunks['join'] ); $sql_chunks['where'] = array_filter( $sql_chunks['where'] ); if ( empty( $relation ) ) { $relation = 'AND'; } // Filter duplicate JOIN clauses and combine into a single string. if ( ! empty( $sql_chunks['join'] ) ) { $sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) ); } // Generate a single WHERE clause with proper brackets and indentation. if ( ! empty( $sql_chunks['where'] ) ) { $sql['where'] = '( ' . "\n " . $indent . implode( ' ' . "\n " . $indent . $relation . ' ' . "\n " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')'; } return $sql; } /** * Turns a single date clause into pieces for a WHERE clause. * * A wrapper for get_sql_for_clause(), included here for backward * compatibility while retaining the naming convention across Query classes. * * @since 3.7.0 * * @param array $query Date query arguments. * @return array { * Array containing JOIN and WHERE SQL clauses to append to the main query. * * @type string[] $join Array of SQL fragments to append to the main JOIN clause. * @type string[] $where Array of SQL fragments to append to the main WHERE clause. * } */ protected function get_sql_for_subquery( $query ) { return $this->get_sql_for_clause( $query, '' ); } /** * Turns a first-order date query into SQL for a WHERE clause. * * @since 4.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $query Date query clause. * @param array $parent_query Parent query of the current date query. * @return array { * Array containing JOIN and WHERE SQL clauses to append to the main query. * * @type string[] $join Array of SQL fragments to append to the main JOIN clause. * @type string[] $where Array of SQL fragments to append to the main WHERE clause. * } */ protected function get_sql_for_clause( $query, $parent_query ) { global $wpdb; // The sub-parts of a $where part. $where_parts = array(); $column = ( ! empty( $query['column'] ) ) ? esc_sql( $query['column'] ) : $this->column; $column = $this->validate_column( $column ); $compare = $this->get_compare( $query ); $inclusive = ! empty( $query['inclusive'] ); // Assign greater- and less-than values. $lt = '<'; $gt = '>'; if ( $inclusive ) { $lt .= '='; $gt .= '='; } // Range queries. if ( ! empty( $query['after'] ) ) { $where_parts[] = $wpdb->prepare( "$column $gt %s", $this->build_mysql_datetime( $query['after'], ! $inclusive ) ); } if ( ! empty( $query['before'] ) ) { $where_parts[] = $wpdb->prepare( "$column $lt %s", $this->build_mysql_datetime( $query['before'], $inclusive ) ); } // Specific value queries. $date_units = array( 'YEAR' => array( 'year' ), 'MONTH' => array( 'month', 'monthnum' ), '_wp_mysql_week' => array( 'week', 'w' ), 'DAYOFYEAR' => array( 'dayofyear' ), 'DAYOFMONTH' => array( 'day' ), 'DAYOFWEEK' => array( 'dayofweek' ), 'WEEKDAY' => array( 'dayofweek_iso' ), ); // Check of the possible date units and add them to the query. foreach ( $date_units as $sql_part => $query_parts ) { foreach ( $query_parts as $query_part ) { if ( isset( $query[ $query_part ] ) ) { $value = $this->build_value( $compare, $query[ $query_part ] ); if ( $value ) { switch ( $sql_part ) { case '_wp_mysql_week': $where_parts[] = _wp_mysql_week( $column ) . " $compare $value"; break; case 'WEEKDAY': $where_parts[] = "$sql_part( $column ) + 1 $compare $value"; break; default: $where_parts[] = "$sql_part( $column ) $compare $value"; } break; } } } } if ( isset( $query['hour'] ) || isset( $query['minute'] ) || isset( $query['second'] ) ) { // Avoid notices. foreach ( array( 'hour', 'minute', 'second' ) as $unit ) { if ( ! isset( $query[ $unit ] ) ) { $query[ $unit ] = null; } } $time_query = $this->build_time_query( $column, $compare, $query['hour'], $query['minute'], $query['second'] ); if ( $time_query ) { $where_parts[] = $time_query; } } /* * Return an array of 'join' and 'where' for compatibility * with other query classes. */ return array( 'where' => $where_parts, 'join' => array(), ); } /** * Builds and validates a value string based on the comparison operator. * * @since 3.7.0 * * @param string $compare The compare operator to use. * @param string|array $value The value. * @return string|false|int The value to be used in SQL or false on error. */ public function build_value( $compare, $value ) { if ( ! isset( $value ) ) { return false; } switch ( $compare ) { case 'IN': case 'NOT IN': $value = (array) $value; // Remove non-numeric values. $value = array_filter( $value, 'is_numeric' ); if ( empty( $value ) ) { return false; } return '(' . implode( ',', array_map( 'intval', $value ) ) . ')'; case 'BETWEEN': case 'NOT BETWEEN': if ( ! is_array( $value ) || 2 !== count( $value ) ) { $value = array( $value, $value ); } else { $value = array_values( $value ); } // If either value is non-numeric, bail. foreach ( $value as $v ) { if ( ! is_numeric( $v ) ) { return false; } } $value = array_map( 'intval', $value ); return $value[0] . ' AND ' . $value[1]; default: if ( ! is_numeric( $value ) ) { return false; } return (int) $value; } } /** * Builds a MySQL format date/time based on some query parameters. * * You can pass an array of values (year, month, etc.) with missing parameter values being defaulted to * either the maximum or minimum values (controlled by the $default_to parameter). Alternatively you can * pass a string that will be passed to date_create(). * * @since 3.7.0 * * @param string|array $datetime An array of parameters or a strtotime() string. * @param bool $default_to_max Whether to round up incomplete dates. Supported by values * of $datetime that are arrays, or string values that are a * subset of MySQL date format ('Y', 'Y-m', 'Y-m-d', 'Y-m-d H:i'). * Default: false. * @return string|false A MySQL format date/time or false on failure. */ public function build_mysql_datetime( $datetime, $default_to_max = false ) { if ( ! is_array( $datetime ) ) { /* * Try to parse some common date formats, so we can detect * the level of precision and support the 'inclusive' parameter. */ if ( preg_match( '/^(\d{4})$/', $datetime, $matches ) ) { // Y $datetime = array( 'year' => (int) $matches[1], ); } elseif ( preg_match( '/^(\d{4})\-(\d{2})$/', $datetime, $matches ) ) { // Y-m $datetime = array( 'year' => (int) $matches[1], 'month' => (int) $matches[2], ); } elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2})$/', $datetime, $matches ) ) { // Y-m-d $datetime = array( 'year' => (int) $matches[1], 'month' => (int) $matches[2], 'day' => (int) $matches[3], ); } elseif ( preg_match( '/^(\d{4})\-(\d{2})\-(\d{2}) (\d{2}):(\d{2})$/', $datetime, $matches ) ) { // Y-m-d H:i $datetime = array( 'year' => (int) $matches[1], 'month' => (int) $matches[2], 'day' => (int) $matches[3], 'hour' => (int) $matches[4], 'minute' => (int) $matches[5], ); } // If no match is found, we don't support default_to_max. if ( ! is_array( $datetime ) ) { $wp_timezone = wp_timezone(); // Assume local timezone if not provided. $dt = date_create( $datetime, $wp_timezone ); if ( false === $dt ) { return gmdate( 'Y-m-d H:i:s', false ); } return $dt->setTimezone( $wp_timezone )->format( 'Y-m-d H:i:s' ); } } $datetime = array_map( 'absint', $datetime ); if ( ! isset( $datetime['year'] ) ) { $datetime['year'] = current_time( 'Y' ); } if ( ! isset( $datetime['month'] ) ) { $datetime['month'] = ( $default_to_max ) ? 12 : 1; } if ( ! isset( $datetime['day'] ) ) { $datetime['day'] = ( $default_to_max ) ? (int) gmdate( 't', mktime( 0, 0, 0, $datetime['month'], 1, $datetime['year'] ) ) : 1; } if ( ! isset( $datetime['hour'] ) ) { $datetime['hour'] = ( $default_to_max ) ? 23 : 0; } if ( ! isset( $datetime['minute'] ) ) { $datetime['minute'] = ( $default_to_max ) ? 59 : 0; } if ( ! isset( $datetime['second'] ) ) { $datetime['second'] = ( $default_to_max ) ? 59 : 0; } return sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $datetime['year'], $datetime['month'], $datetime['day'], $datetime['hour'], $datetime['minute'], $datetime['second'] ); } /** * Builds a query string for comparing time values (hour, minute, second). * * If just hour, minute, or second is set than a normal comparison will be done. * However if multiple values are passed, a pseudo-decimal time will be created * in order to be able to accurately compare against. * * @since 3.7.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $column The column to query against. Needs to be pre-validated! * @param string $compare The comparison operator. Needs to be pre-validated! * @param int|null $hour Optional. An hour value (0-23). * @param int|null $minute Optional. A minute value (0-59). * @param int|null $second Optional. A second value (0-59). * @return string|false A query part or false on failure. */ public function build_time_query( $column, $compare, $hour = null, $minute = null, $second = null ) { global $wpdb; // Have to have at least one. if ( ! isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) { return false; } // Complex combined queries aren't supported for multi-value queries. if ( in_array( $compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) { $return = array(); $value = $this->build_value( $compare, $hour ); if ( false !== $value ) { $return[] = "HOUR( $column ) $compare $value"; } $value = $this->build_value( $compare, $minute ); if ( false !== $value ) { $return[] = "MINUTE( $column ) $compare $value"; } $value = $this->build_value( $compare, $second ); if ( false !== $value ) { $return[] = "SECOND( $column ) $compare $value"; } return implode( ' AND ', $return ); } // Cases where just one unit is set. if ( isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) { $value = $this->build_value( $compare, $hour ); if ( false !== $value ) { return "HOUR( $column ) $compare $value"; } } elseif ( ! isset( $hour ) && isset( $minute ) && ! isset( $second ) ) { $value = $this->build_value( $compare, $minute ); if ( false !== $value ) { return "MINUTE( $column ) $compare $value"; } } elseif ( ! isset( $hour ) && ! isset( $minute ) && isset( $second ) ) { $value = $this->build_value( $compare, $second ); if ( false !== $value ) { return "SECOND( $column ) $compare $value"; } } // Single units were already handled. Since hour & second isn't allowed, minute must to be set. if ( ! isset( $minute ) ) { return false; } $format = ''; $time = ''; // Hour. if ( null !== $hour ) { $format .= '%H.'; $time .= sprintf( '%02d', $hour ) . '.'; } else { $format .= '0.'; $time .= '0.'; } // Minute. $format .= '%i'; $time .= sprintf( '%02d', $minute ); if ( isset( $second ) ) { $format .= '%s'; $time .= sprintf( '%02d', $second ); } return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time ); } /** * Sanitizes a 'relation' operator. * * @since 6.0.3 * * @param string $relation Raw relation key from the query argument. * @return string Sanitized relation. Either 'AND' or 'OR'. */ public function sanitize_relation( $relation ) { if ( 'OR' === strtoupper( $relation ) ) { return 'OR'; } else { return 'AND'; } } } /** * WP_Theme Class * * @package WordPress * @subpackage Theme * @since 3.4.0 */ #[AllowDynamicProperties] final class WP_Theme implements ArrayAccess { /** * Whether the theme has been marked as updateable. * * @since 4.4.0 * @var bool * * @see WP_MS_Themes_List_Table */ public $update = false; /** * Headers for style.css files. * * @since 3.4.0 * @since 5.4.0 Added `Requires at least` and `Requires PHP` headers. * @since 6.1.0 Added `Update URI` header. * @var string[] */ private static $file_headers = array( 'Name' => 'Theme Name', 'ThemeURI' => 'Theme URI', 'Description' => 'Description', 'Author' => 'Author', 'AuthorURI' => 'Author URI', 'Version' => 'Version', 'Template' => 'Template', 'Status' => 'Status', 'Tags' => 'Tags', 'TextDomain' => 'Text Domain', 'DomainPath' => 'Domain Path', 'RequiresWP' => 'Requires at least', 'RequiresPHP' => 'Requires PHP', 'UpdateURI' => 'Update URI', ); /** * Default themes. * * @since 3.4.0 * @since 3.5.0 Added the Twenty Twelve theme. * @since 3.6.0 Added the Twenty Thirteen theme. * @since 3.8.0 Added the Twenty Fourteen theme. * @since 4.1.0 Added the Twenty Fifteen theme. * @since 4.4.0 Added the Twenty Sixteen theme. * @since 4.7.0 Added the Twenty Seventeen theme. * @since 5.0.0 Added the Twenty Nineteen theme. * @since 5.3.0 Added the Twenty Twenty theme. * @since 5.6.0 Added the Twenty Twenty-One theme. * @since 5.9.0 Added the Twenty Twenty-Two theme. * @since 6.1.0 Added the Twenty Twenty-Three theme. * @since 6.4.0 Added the Twenty Twenty-Four theme. * @var string[] */ private static $default_themes = array( 'classic' => 'WordPress Classic', 'default' => 'WordPress Default', 'twentyten' => 'Twenty Ten', 'twentyeleven' => 'Twenty Eleven', 'twentytwelve' => 'Twenty Twelve', 'twentythirteen' => 'Twenty Thirteen', 'twentyfourteen' => 'Twenty Fourteen', 'twentyfifteen' => 'Twenty Fifteen', 'twentysixteen' => 'Twenty Sixteen', 'twentyseventeen' => 'Twenty Seventeen', 'twentynineteen' => 'Twenty Nineteen', 'twentytwenty' => 'Twenty Twenty', 'twentytwentyone' => 'Twenty Twenty-One', 'twentytwentytwo' => 'Twenty Twenty-Two', 'twentytwentythree' => 'Twenty Twenty-Three', 'twentytwentyfour' => 'Twenty Twenty-Four', ); /** * Renamed theme tags. * * @since 3.8.0 * @var string[] */ private static $tag_map = array( 'fixed-width' => 'fixed-layout', 'flexible-width' => 'fluid-layout', ); /** * Absolute path to the theme root, usually wp-content/themes * * @since 3.4.0 * @var string */ private $theme_root; /** * Header data from the theme's style.css file. * * @since 3.4.0 * @var array */ private $headers = array(); /** * Header data from the theme's style.css file after being sanitized. * * @since 3.4.0 * @var array */ private $headers_sanitized; /** * Is this theme a block theme. * * @since 6.2.0 * @var bool */ private $block_theme; /** * Header name from the theme's style.css after being translated. * * Cached due to sorting functions running over the translated name. * * @since 3.4.0 * @var string */ private $name_translated; /** * Errors encountered when initializing the theme. * * @since 3.4.0 * @var WP_Error */ private $errors; /** * The directory name of the theme's files, inside the theme root. * * In the case of a child theme, this is directory name of the child theme. * Otherwise, 'stylesheet' is the same as 'template'. * * @since 3.4.0 * @var string */ private $stylesheet; /** * The directory name of the theme's files, inside the theme root. * * In the case of a child theme, this is the directory name of the parent theme. * Otherwise, 'template' is the same as 'stylesheet'. * * @since 3.4.0 * @var string */ private $template; /** * A reference to the parent theme, in the case of a child theme. * * @since 3.4.0 * @var WP_Theme */ private $parent; /** * URL to the theme root, usually an absolute URL to wp-content/themes * * @since 3.4.0 * @var string */ private $theme_root_uri; /** * Flag for whether the theme's textdomain is loaded. * * @since 3.4.0 * @var bool */ private $textdomain_loaded; /** * Stores an md5 hash of the theme root, to function as the cache key. * * @since 3.4.0 * @var string */ private $cache_hash; /** * Block template folders. * * @since 6.4.0 * @var string[] */ private $block_template_folders; /** * Default values for template folders. * * @since 6.4.0 * @var string[] */ private $default_template_folders = array( 'wp_template' => 'templates', 'wp_template_part' => 'parts', ); /** * Flag for whether the themes cache bucket should be persistently cached. * * Default is false. Can be set with the {@see 'wp_cache_themes_persistently'} filter. * * @since 3.4.0 * @var bool */ private static $persistently_cache; /** * Expiration time for the themes cache bucket. * * By default the bucket is not cached, so this value is useless. * * @since 3.4.0 * @var bool */ private static $cache_expiration = 1800; /** * Constructor for WP_Theme. * * @since 3.4.0 * * @global array $wp_theme_directories * * @param string $theme_dir Directory of the theme within the theme_root. * @param string $theme_root Theme root. * @param WP_Theme|null $_child If this theme is a parent theme, the child may be passed for validation purposes. */ public function __construct( $theme_dir, $theme_root, $_child = null ) { global $wp_theme_directories; // Initialize caching on first run. if ( ! isset( self::$persistently_cache ) ) { /** This action is documented in wp-includes/theme.php */ self::$persistently_cache = apply_filters( 'wp_cache_themes_persistently', false, 'WP_Theme' ); if ( self::$persistently_cache ) { wp_cache_add_global_groups( 'themes' ); if ( is_int( self::$persistently_cache ) ) { self::$cache_expiration = self::$persistently_cache; } } else { wp_cache_add_non_persistent_groups( 'themes' ); } } // Handle a numeric theme directory as a string. $theme_dir = (string) $theme_dir; $this->theme_root = $theme_root; $this->stylesheet = $theme_dir; // Correct a situation where the theme is 'some-directory/some-theme' but 'some-directory' was passed in as part of the theme root instead. if ( ! in_array( $theme_root, (array) $wp_theme_directories, true ) && in_array( dirname( $theme_root ), (array) $wp_theme_directories, true ) ) { $this->stylesheet = basename( $this->theme_root ) . '/' . $this->stylesheet; $this->theme_root = dirname( $theme_root ); } $this->cache_hash = md5( $this->theme_root . '/' . $this->stylesheet ); $theme_file = $this->stylesheet . '/style.css'; $cache = $this->cache_get( 'theme' ); if ( is_array( $cache ) ) { foreach ( array( 'block_template_folders', 'block_theme', 'errors', 'headers', 'template' ) as $key ) { if ( isset( $cache[ $key ] ) ) { $this->$key = $cache[ $key ]; } } if ( $this->errors ) { return; } if ( isset( $cache['theme_root_template'] ) ) { $theme_root_template = $cache['theme_root_template']; } } elseif ( ! file_exists( $this->theme_root . '/' . $theme_file ) ) { $this->headers['Name'] = $this->stylesheet; if ( ! file_exists( $this->theme_root . '/' . $this->stylesheet ) ) { $this->errors = new WP_Error( 'theme_not_found', sprintf( /* translators: %s: Theme directory name. */ __( 'The theme directory "%s" does not exist.' ), esc_html( $this->stylesheet ) ) ); } else { $this->errors = new WP_Error( 'theme_no_stylesheet', __( 'Stylesheet is missing.' ) ); } $this->template = $this->stylesheet; $this->block_theme = false; $this->block_template_folders = $this->default_template_folders; $this->cache_add( 'theme', array( 'block_template_folders' => $this->block_template_folders, 'block_theme' => $this->block_theme, 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template, ) ); if ( ! file_exists( $this->theme_root ) ) { // Don't cache this one. $this->errors->add( 'theme_root_missing', __( 'Error: The themes directory is either empty or does not exist. Please check your installation.' ) ); } return; } elseif ( ! is_readable( $this->theme_root . '/' . $theme_file ) ) { $this->headers['Name'] = $this->stylesheet; $this->errors = new WP_Error( 'theme_stylesheet_not_readable', __( 'Stylesheet is not readable.' ) ); $this->template = $this->stylesheet; $this->block_theme = false; $this->block_template_folders = $this->default_template_folders; $this->cache_add( 'theme', array( 'block_template_folders' => $this->block_template_folders, 'block_theme' => $this->block_theme, 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template, ) ); return; } else { $this->headers = get_file_data( $this->theme_root . '/' . $theme_file, self::$file_headers, 'theme' ); /* * Default themes always trump their pretenders. * Properly identify default themes that are inside a directory within wp-content/themes. */ $default_theme_slug = array_search( $this->headers['Name'], self::$default_themes, true ); if ( $default_theme_slug ) { if ( basename( $this->stylesheet ) != $default_theme_slug ) { $this->headers['Name'] .= '/' . $this->stylesheet; } } } if ( ! $this->template && $this->stylesheet === $this->headers['Template'] ) { $this->errors = new WP_Error( 'theme_child_invalid', sprintf( /* translators: %s: Template. */ __( 'The theme defines itself as its parent theme. Please check the %s header.' ), 'Template' ) ); $this->cache_add( 'theme', array( 'block_template_folders' => $this->get_block_template_folders(), 'block_theme' => $this->is_block_theme(), 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, ) ); return; } // (If template is set from cache [and there are no errors], we know it's good.) if ( ! $this->template ) { $this->template = $this->headers['Template']; } if ( ! $this->template ) { $this->template = $this->stylesheet; $theme_path = $this->theme_root . '/' . $this->stylesheet; if ( ! $this->is_block_theme() && ! file_exists( $theme_path . '/index.php' ) ) { $error_message = sprintf( /* translators: 1: templates/index.html, 2: index.php, 3: Documentation URL, 4: Template, 5: style.css */ __( 'Template is missing. Standalone themes need to have a %1$s or %2$s template file. Child themes need to have a %4$s header in the %5$s stylesheet.' ), 'templates/index.html', 'index.php', __( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ), 'Template', 'style.css' ); $this->errors = new WP_Error( 'theme_no_index', $error_message ); $this->cache_add( 'theme', array( 'block_template_folders' => $this->get_block_template_folders(), 'block_theme' => $this->block_theme, 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template, ) ); return; } } // If we got our data from cache, we can assume that 'template' is pointing to the right place. if ( ! is_array( $cache ) && $this->template != $this->stylesheet && ! file_exists( $this->theme_root . '/' . $this->template . '/index.php' ) ) { /* * If we're in a directory of themes inside /themes, look for the parent nearby. * wp-content/themes/directory-of-themes/* */ $parent_dir = dirname( $this->stylesheet ); $directories = search_theme_directories(); if ( '.' !== $parent_dir && file_exists( $this->theme_root . '/' . $parent_dir . '/' . $this->template . '/index.php' ) ) { $this->template = $parent_dir . '/' . $this->template; } elseif ( $directories && isset( $directories[ $this->template ] ) ) { /* * Look for the template in the search_theme_directories() results, in case it is in another theme root. * We don't look into directories of themes, just the theme root. */ $theme_root_template = $directories[ $this->template ]['theme_root']; } else { // Parent theme is missing. $this->errors = new WP_Error( 'theme_no_parent', sprintf( /* translators: %s: Theme directory name. */ __( 'The parent theme is missing. Please install the "%s" parent theme.' ), esc_html( $this->template ) ) ); $this->cache_add( 'theme', array( 'block_template_folders' => $this->get_block_template_folders(), 'block_theme' => $this->is_block_theme(), 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template, ) ); $this->parent = new WP_Theme( $this->template, $this->theme_root, $this ); return; } } // Set the parent, if we're a child theme. if ( $this->template != $this->stylesheet ) { // If we are a parent, then there is a problem. Only two generations allowed! Cancel things out. if ( $_child instanceof WP_Theme && $_child->template == $this->stylesheet ) { $_child->parent = null; $_child->errors = new WP_Error( 'theme_parent_invalid', sprintf( /* translators: %s: Theme directory name. */ __( 'The "%s" theme is not a valid parent theme.' ), esc_html( $_child->template ) ) ); $_child->cache_add( 'theme', array( 'block_template_folders' => $_child->get_block_template_folders(), 'block_theme' => $_child->is_block_theme(), 'headers' => $_child->headers, 'errors' => $_child->errors, 'stylesheet' => $_child->stylesheet, 'template' => $_child->template, ) ); // The two themes actually reference each other with the Template header. if ( $_child->stylesheet == $this->template ) { $this->errors = new WP_Error( 'theme_parent_invalid', sprintf( /* translators: %s: Theme directory name. */ __( 'The "%s" theme is not a valid parent theme.' ), esc_html( $this->template ) ) ); $this->cache_add( 'theme', array( 'block_template_folders' => $this->get_block_template_folders(), 'block_theme' => $this->is_block_theme(), 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template, ) ); } return; } // Set the parent. Pass the current instance so we can do the checks above and assess errors. $this->parent = new WP_Theme( $this->template, isset( $theme_root_template ) ? $theme_root_template : $this->theme_root, $this ); } if ( wp_paused_themes()->get( $this->stylesheet ) && ( ! is_wp_error( $this->errors ) || ! isset( $this->errors->errors['theme_paused'] ) ) ) { $this->errors = new WP_Error( 'theme_paused', __( 'This theme failed to load properly and was paused within the admin backend.' ) ); } // We're good. If we didn't retrieve from cache, set it. if ( ! is_array( $cache ) ) { $cache = array( 'block_theme' => $this->is_block_theme(), 'block_template_folders' => $this->get_block_template_folders(), 'headers' => $this->headers, 'errors' => $this->errors, 'stylesheet' => $this->stylesheet, 'template' => $this->template, ); // If the parent theme is in another root, we'll want to cache this. Avoids an entire branch of filesystem calls above. if ( isset( $theme_root_template ) ) { $cache['theme_root_template'] = $theme_root_template; } $this->cache_add( 'theme', $cache ); } } /** * When converting the object to a string, the theme name is returned. * * @since 3.4.0 * * @return string Theme name, ready for display (translated) */ public function __toString() { return (string) $this->display( 'Name' ); } /** * __isset() magic method for properties formerly returned by current_theme_info() * * @since 3.4.0 * * @param string $offset Property to check if set. * @return bool Whether the given property is set. */ public function __isset( $offset ) { static $properties = array( 'name', 'title', 'version', 'parent_theme', 'template_dir', 'stylesheet_dir', 'template', 'stylesheet', 'screenshot', 'description', 'author', 'tags', 'theme_root', 'theme_root_uri', ); return in_array( $offset, $properties, true ); } /** * __get() magic method for properties formerly returned by current_theme_info() * * @since 3.4.0 * * @param string $offset Property to get. * @return mixed Property value. */ public function __get( $offset ) { switch ( $offset ) { case 'name': case 'title': return $this->get( 'Name' ); case 'version': return $this->get( 'Version' ); case 'parent_theme': return $this->parent() ? $this->parent()->get( 'Name' ) : ''; case 'template_dir': return $this->get_template_directory(); case 'stylesheet_dir': return $this->get_stylesheet_directory(); case 'template': return $this->get_template(); case 'stylesheet': return $this->get_stylesheet(); case 'screenshot': return $this->get_screenshot( 'relative' ); // 'author' and 'description' did not previously return translated data. case 'description': return $this->display( 'Description' ); case 'author': return $this->display( 'Author' ); case 'tags': return $this->get( 'Tags' ); case 'theme_root': return $this->get_theme_root(); case 'theme_root_uri': return $this->get_theme_root_uri(); // For cases where the array was converted to an object. default: return $this->offsetGet( $offset ); } } /** * Method to implement ArrayAccess for keys formerly returned by get_themes() * * @since 3.4.0 * * @param mixed $offset * @param mixed $value */ #[ReturnTypeWillChange] public function offsetSet( $offset, $value ) {} /** * Method to implement ArrayAccess for keys formerly returned by get_themes() * * @since 3.4.0 * * @param mixed $offset */ #[ReturnTypeWillChange] public function offsetUnset( $offset ) {} /** * Method to implement ArrayAccess for keys formerly returned by get_themes() * * @since 3.4.0 * * @param mixed $offset * @return bool */ #[ReturnTypeWillChange] public function offsetExists( $offset ) { static $keys = array( 'Name', 'Version', 'Status', 'Title', 'Author', 'Author Name', 'Author URI', 'Description', 'Template', 'Stylesheet', 'Template Files', 'Stylesheet Files', 'Template Dir', 'Stylesheet Dir', 'Screenshot', 'Tags', 'Theme Root', 'Theme Root URI', 'Parent Theme', ); return in_array( $offset, $keys, true ); } /** * Method to implement ArrayAccess for keys formerly returned by get_themes(). * * Author, Author Name, Author URI, and Description did not previously return * translated data. We are doing so now as it is safe to do. However, as * Name and Title could have been used as the key for get_themes(), both remain * untranslated for back compatibility. This means that ['Name'] is not ideal, * and care should be taken to use `$theme::display( 'Name' )` to get a properly * translated header. * * @since 3.4.0 * * @param mixed $offset * @return mixed */ #[ReturnTypeWillChange] public function offsetGet( $offset ) { switch ( $offset ) { case 'Name': case 'Title': /* * See note above about using translated data. get() is not ideal. * It is only for backward compatibility. Use display(). */ return $this->get( 'Name' ); case 'Author': return $this->display( 'Author' ); case 'Author Name': return $this->display( 'Author', false ); case 'Author URI': return $this->display( 'AuthorURI' ); case 'Description': return $this->display( 'Description' ); case 'Version': case 'Status': return $this->get( $offset ); case 'Template': return $this->get_template(); case 'Stylesheet': return $this->get_stylesheet(); case 'Template Files': return $this->get_files( 'php', 1, true ); case 'Stylesheet Files': return $this->get_files( 'css', 0, false ); case 'Template Dir': return $this->get_template_directory(); case 'Stylesheet Dir': return $this->get_stylesheet_directory(); case 'Screenshot': return $this->get_screenshot( 'relative' ); case 'Tags': return $this->get( 'Tags' ); case 'Theme Root': return $this->get_theme_root(); case 'Theme Root URI': return $this->get_theme_root_uri(); case 'Parent Theme': return $this->parent() ? $this->parent()->get( 'Name' ) : ''; default: return null; } } /** * Returns errors property. * * @since 3.4.0 * * @return WP_Error|false WP_Error if there are errors, or false. */ public function errors() { return is_wp_error( $this->errors ) ? $this->errors : false; } /** * Determines whether the theme exists. * * A theme with errors exists. A theme with the error of 'theme_not_found', * meaning that the theme's directory was not found, does not exist. * * @since 3.4.0 * * @return bool Whether the theme exists. */ public function exists() { return ! ( $this->errors() && in_array( 'theme_not_found', $this->errors()->get_error_codes(), true ) ); } /** * Returns reference to the parent theme. * * @since 3.4.0 * * @return WP_Theme|false Parent theme, or false if the active theme is not a child theme. */ public function parent() { return isset( $this->parent ) ? $this->parent : false; } /** * Perform reinitialization tasks. * * Prevents a callback from being injected during unserialization of an object. */ public function __wakeup() { if ( $this->parent && ! $this->parent instanceof self ) { throw new UnexpectedValueException(); } if ( $this->headers && ! is_array( $this->headers ) ) { throw new UnexpectedValueException(); } foreach ( $this->headers as $value ) { if ( ! is_string( $value ) ) { throw new UnexpectedValueException(); } } $this->headers_sanitized = array(); } /** * Adds theme data to cache. * * Cache entries keyed by the theme and the type of data. * * @since 3.4.0 * * @param string $key Type of data to store (theme, screenshot, headers, post_templates) * @param array|string $data Data to store * @return bool Return value from wp_cache_add() */ private function cache_add( $key, $data ) { return wp_cache_add( $key . '-' . $this->cache_hash, $data, 'themes', self::$cache_expiration ); } /** * Gets theme data from cache. * * Cache entries are keyed by the theme and the type of data. * * @since 3.4.0 * * @param string $key Type of data to retrieve (theme, screenshot, headers, post_templates) * @return mixed Retrieved data */ private function cache_get( $key ) { return wp_cache_get( $key . '-' . $this->cache_hash, 'themes' ); } /** * Clears the cache for the theme. * * @since 3.4.0 */ public function cache_delete() { foreach ( array( 'theme', 'screenshot', 'headers', 'post_templates' ) as $key ) { wp_cache_delete( $key . '-' . $this->cache_hash, 'themes' ); } $this->template = null; $this->textdomain_loaded = null; $this->theme_root_uri = null; $this->parent = null; $this->errors = null; $this->headers_sanitized = null; $this->name_translated = null; $this->block_theme = null; $this->block_template_folders = null; $this->headers = array(); $this->__construct( $this->stylesheet, $this->theme_root ); $this->delete_pattern_cache(); } /** * Gets a raw, unformatted theme header. * * The header is sanitized, but is not translated, and is not marked up for display. * To get a theme header for display, use the display() method. * * Use the get_template() method, not the 'Template' header, for finding the template. * The 'Template' header is only good for what was written in the style.css, while * get_template() takes into account where WordPress actually located the theme and * whether it is actually valid. * * @since 3.4.0 * * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. * @return string|array|false String or array (for Tags header) on success, false on failure. */ public function get( $header ) { if ( ! isset( $this->headers[ $header ] ) ) { return false; } if ( ! isset( $this->headers_sanitized ) ) { $this->headers_sanitized = $this->cache_get( 'headers' ); if ( ! is_array( $this->headers_sanitized ) ) { $this->headers_sanitized = array(); } } if ( isset( $this->headers_sanitized[ $header ] ) ) { return $this->headers_sanitized[ $header ]; } // If themes are a persistent group, sanitize everything and cache it. One cache add is better than many cache sets. if ( self::$persistently_cache ) { foreach ( array_keys( $this->headers ) as $_header ) { $this->headers_sanitized[ $_header ] = $this->sanitize_header( $_header, $this->headers[ $_header ] ); } $this->cache_add( 'headers', $this->headers_sanitized ); } else { $this->headers_sanitized[ $header ] = $this->sanitize_header( $header, $this->headers[ $header ] ); } return $this->headers_sanitized[ $header ]; } /** * Gets a theme header, formatted and translated for display. * * @since 3.4.0 * * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. * @param bool $markup Optional. Whether to mark up the header. Defaults to true. * @param bool $translate Optional. Whether to translate the header. Defaults to true. * @return string|array|false Processed header. An array for Tags if `$markup` is false, string otherwise. * False on failure. */ public function display( $header, $markup = true, $translate = true ) { $value = $this->get( $header ); if ( false === $value ) { return false; } if ( $translate && ( empty( $value ) || ! $this->load_textdomain() ) ) { $translate = false; } if ( $translate ) { $value = $this->translate_header( $header, $value ); } if ( $markup ) { $value = $this->markup_header( $header, $value, $translate ); } return $value; } /** * Sanitizes a theme header. * * @since 3.4.0 * @since 5.4.0 Added support for `Requires at least` and `Requires PHP` headers. * @since 6.1.0 Added support for `Update URI` header. * * @param string $header Theme header. Accepts 'Name', 'Description', 'Author', 'Version', * 'ThemeURI', 'AuthorURI', 'Status', 'Tags', 'RequiresWP', 'RequiresPHP', * 'UpdateURI'. * @param string $value Value to sanitize. * @return string|array An array for Tags header, string otherwise. */ private function sanitize_header( $header, $value ) { switch ( $header ) { case 'Status': if ( ! $value ) { $value = 'publish'; break; } // Fall through otherwise. case 'Name': static $header_tags = array( 'abbr' => array( 'title' => true ), 'acronym' => array( 'title' => true ), 'code' => true, 'em' => true, 'strong' => true, ); $value = wp_kses( $value, $header_tags ); break; case 'Author': // There shouldn't be anchor tags in Author, but some themes like to be challenging. case 'Description': static $header_tags_with_a = array( 'a' => array( 'href' => true, 'title' => true, ), 'abbr' => array( 'title' => true ), 'acronym' => array( 'title' => true ), 'code' => true, 'em' => true, 'strong' => true, ); $value = wp_kses( $value, $header_tags_with_a ); break; case 'ThemeURI': case 'AuthorURI': $value = sanitize_url( $value ); break; case 'Tags': $value = array_filter( array_map( 'trim', explode( ',', strip_tags( $value ) ) ) ); break; case 'Version': case 'RequiresWP': case 'RequiresPHP': case 'UpdateURI': $value = strip_tags( $value ); break; } return $value; } /** * Marks up a theme header. * * @since 3.4.0 * * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. * @param string|array $value Value to mark up. An array for Tags header, string otherwise. * @param string $translate Whether the header has been translated. * @return string Value, marked up. */ private function markup_header( $header, $value, $translate ) { switch ( $header ) { case 'Name': if ( empty( $value ) ) { $value = esc_html( $this->get_stylesheet() ); } break; case 'Description': $value = wptexturize( $value ); break; case 'Author': if ( $this->get( 'AuthorURI' ) ) { $value = sprintf( '%2$s', $this->display( 'AuthorURI', true, $translate ), $value ); } elseif ( ! $value ) { $value = __( 'Anonymous' ); } break; case 'Tags': static $comma = null; if ( ! isset( $comma ) ) { $comma = wp_get_list_item_separator(); } $value = implode( $comma, $value ); break; case 'ThemeURI': case 'AuthorURI': $value = esc_url( $value ); break; } return $value; } /** * Translates a theme header. * * @since 3.4.0 * * @param string $header Theme header. Name, Description, Author, Version, ThemeURI, AuthorURI, Status, Tags. * @param string|array $value Value to translate. An array for Tags header, string otherwise. * @return string|array Translated value. An array for Tags header, string otherwise. */ private function translate_header( $header, $value ) { switch ( $header ) { case 'Name': // Cached for sorting reasons. if ( isset( $this->name_translated ) ) { return $this->name_translated; } // phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain $this->name_translated = translate( $value, $this->get( 'TextDomain' ) ); return $this->name_translated; case 'Tags': if ( empty( $value ) || ! function_exists( 'get_theme_feature_list' ) ) { return $value; } static $tags_list; if ( ! isset( $tags_list ) ) { $tags_list = array( // As of 4.6, deprecated tags which are only used to provide translation for older themes. 'black' => __( 'Black' ), 'blue' => __( 'Blue' ), 'brown' => __( 'Brown' ), 'gray' => __( 'Gray' ), 'green' => __( 'Green' ), 'orange' => __( 'Orange' ), 'pink' => __( 'Pink' ), 'purple' => __( 'Purple' ), 'red' => __( 'Red' ), 'silver' => __( 'Silver' ), 'tan' => __( 'Tan' ), 'white' => __( 'White' ), 'yellow' => __( 'Yellow' ), 'dark' => _x( 'Dark', 'color scheme' ), 'light' => _x( 'Light', 'color scheme' ), 'fixed-layout' => __( 'Fixed Layout' ), 'fluid-layout' => __( 'Fluid Layout' ), 'responsive-layout' => __( 'Responsive Layout' ), 'blavatar' => __( 'Blavatar' ), 'photoblogging' => __( 'Photoblogging' ), 'seasonal' => __( 'Seasonal' ), ); $feature_list = get_theme_feature_list( false ); // No API. foreach ( $feature_list as $tags ) { $tags_list += $tags; } } foreach ( $value as &$tag ) { if ( isset( $tags_list[ $tag ] ) ) { $tag = $tags_list[ $tag ]; } elseif ( isset( self::$tag_map[ $tag ] ) ) { $tag = $tags_list[ self::$tag_map[ $tag ] ]; } } return $value; default: // phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain $value = translate( $value, $this->get( 'TextDomain' ) ); } return $value; } /** * Returns the directory name of the theme's "stylesheet" files, inside the theme root. * * In the case of a child theme, this is directory name of the child theme. * Otherwise, get_stylesheet() is the same as get_template(). * * @since 3.4.0 * * @return string Stylesheet */ public function get_stylesheet() { return $this->stylesheet; } /** * Returns the directory name of the theme's "template" files, inside the theme root. * * In the case of a child theme, this is the directory name of the parent theme. * Otherwise, the get_template() is the same as get_stylesheet(). * * @since 3.4.0 * * @return string Template */ public function get_template() { return $this->template; } /** * Returns the absolute path to the directory of a theme's "stylesheet" files. * * In the case of a child theme, this is the absolute path to the directory * of the child theme's files. * * @since 3.4.0 * * @return string Absolute path of the stylesheet directory. */ public function get_stylesheet_directory() { if ( $this->errors() && in_array( 'theme_root_missing', $this->errors()->get_error_codes(), true ) ) { return ''; } return $this->theme_root . '/' . $this->stylesheet; } /** * Returns the absolute path to the directory of a theme's "template" files. * * In the case of a child theme, this is the absolute path to the directory * of the parent theme's files. * * @since 3.4.0 * * @return string Absolute path of the template directory. */ public function get_template_directory() { if ( $this->parent() ) { $theme_root = $this->parent()->theme_root; } else { $theme_root = $this->theme_root; } return $theme_root . '/' . $this->template; } /** * Returns the URL to the directory of a theme's "stylesheet" files. * * In the case of a child theme, this is the URL to the directory of the * child theme's files. * * @since 3.4.0 * * @return string URL to the stylesheet directory. */ public function get_stylesheet_directory_uri() { return $this->get_theme_root_uri() . '/' . str_replace( '%2F', '/', rawurlencode( $this->stylesheet ) ); } /** * Returns the URL to the directory of a theme's "template" files. * * In the case of a child theme, this is the URL to the directory of the * parent theme's files. * * @since 3.4.0 * * @return string URL to the template directory. */ public function get_template_directory_uri() { if ( $this->parent() ) { $theme_root_uri = $this->parent()->get_theme_root_uri(); } else { $theme_root_uri = $this->get_theme_root_uri(); } return $theme_root_uri . '/' . str_replace( '%2F', '/', rawurlencode( $this->template ) ); } /** * Returns the absolute path to the directory of the theme root. * * This is typically the absolute path to wp-content/themes. * * @since 3.4.0 * * @return string Theme root. */ public function get_theme_root() { return $this->theme_root; } /** * Returns the URL to the directory of the theme root. * * This is typically the absolute URL to wp-content/themes. This forms the basis * for all other URLs returned by WP_Theme, so we pass it to the public function * get_theme_root_uri() and allow it to run the {@see 'theme_root_uri'} filter. * * @since 3.4.0 * * @return string Theme root URI. */ public function get_theme_root_uri() { if ( ! isset( $this->theme_root_uri ) ) { $this->theme_root_uri = get_theme_root_uri( $this->stylesheet, $this->theme_root ); } return $this->theme_root_uri; } /** * Returns the main screenshot file for the theme. * * The main screenshot is called screenshot.png. gif and jpg extensions are also allowed. * * Screenshots for a theme must be in the stylesheet directory. (In the case of child * themes, parent theme screenshots are not inherited.) * * @since 3.4.0 * * @param string $uri Type of URL to return, either 'relative' or an absolute URI. Defaults to absolute URI. * @return string|false Screenshot file. False if the theme does not have a screenshot. */ public function get_screenshot( $uri = 'uri' ) { $screenshot = $this->cache_get( 'screenshot' ); if ( $screenshot ) { if ( 'relative' === $uri ) { return $screenshot; } return $this->get_stylesheet_directory_uri() . '/' . $screenshot; } elseif ( 0 === $screenshot ) { return false; } foreach ( array( 'png', 'gif', 'jpg', 'jpeg', 'webp', 'avif' ) as $ext ) { if ( file_exists( $this->get_stylesheet_directory() . "/screenshot.$ext" ) ) { $this->cache_add( 'screenshot', 'screenshot.' . $ext ); if ( 'relative' === $uri ) { return 'screenshot.' . $ext; } return $this->get_stylesheet_directory_uri() . '/' . 'screenshot.' . $ext; } } $this->cache_add( 'screenshot', 0 ); return false; } /** * Returns files in the theme's directory. * * @since 3.4.0 * * @param string[]|string $type Optional. Array of extensions to find, string of a single extension, * or null for all extensions. Default null. * @param int $depth Optional. How deep to search for files. Defaults to a flat scan (0 depth). * -1 depth is infinite. * @param bool $search_parent Optional. Whether to return parent files. Default false. * @return string[] Array of files, keyed by the path to the file relative to the theme's directory, with the values * being absolute paths. */ public function get_files( $type = null, $depth = 0, $search_parent = false ) { $files = (array) self::scandir( $this->get_stylesheet_directory(), $type, $depth ); if ( $search_parent && $this->parent() ) { $files += (array) self::scandir( $this->get_template_directory(), $type, $depth ); } return array_filter( $files ); } /** * Returns the theme's post templates. * * @since 4.7.0 * @since 5.8.0 Include block templates. * * @return array[] Array of page template arrays, keyed by post type and filename, * with the value of the translated header name. */ public function get_post_templates() { // If you screw up your active theme and we invalidate your parent, most things still work. Let it slide. if ( $this->errors() && $this->errors()->get_error_codes() !== array( 'theme_parent_invalid' ) ) { return array(); } $post_templates = $this->cache_get( 'post_templates' ); if ( ! is_array( $post_templates ) ) { $post_templates = array(); $files = (array) $this->get_files( 'php', 1, true ); foreach ( $files as $file => $full_path ) { if ( ! preg_match( '|Template Name:(.*)$|mi', file_get_contents( $full_path ), $header ) ) { continue; } $types = array( 'page' ); if ( preg_match( '|Template Post Type:(.*)$|mi', file_get_contents( $full_path ), $type ) ) { $types = explode( ',', _cleanup_header_comment( $type[1] ) ); } foreach ( $types as $type ) { $type = sanitize_key( $type ); if ( ! isset( $post_templates[ $type ] ) ) { $post_templates[ $type ] = array(); } $post_templates[ $type ][ $file ] = _cleanup_header_comment( $header[1] ); } } $this->cache_add( 'post_templates', $post_templates ); } if ( current_theme_supports( 'block-templates' ) ) { $block_templates = get_block_templates( array(), 'wp_template' ); foreach ( get_post_types( array( 'public' => true ) ) as $type ) { foreach ( $block_templates as $block_template ) { if ( ! $block_template->is_custom ) { continue; } if ( isset( $block_template->post_types ) && ! in_array( $type, $block_template->post_types, true ) ) { continue; } $post_templates[ $type ][ $block_template->slug ] = $block_template->title; } } } if ( $this->load_textdomain() ) { foreach ( $post_templates as &$post_type ) { foreach ( $post_type as &$post_template ) { $post_template = $this->translate_header( 'Template Name', $post_template ); } } } return $post_templates; } /** * Returns the theme's post templates for a given post type. * * @since 3.4.0 * @since 4.7.0 Added the `$post_type` parameter. * * @param WP_Post|null $post Optional. The post being edited, provided for context. * @param string $post_type Optional. Post type to get the templates for. Default 'page'. * If a post is provided, its post type is used. * @return string[] Array of template header names keyed by the template file name. */ public function get_page_templates( $post = null, $post_type = 'page' ) { if ( $post ) { $post_type = get_post_type( $post ); } $post_templates = $this->get_post_templates(); $post_templates = isset( $post_templates[ $post_type ] ) ? $post_templates[ $post_type ] : array(); /** * Filters list of page templates for a theme. * * @since 4.9.6 * * @param string[] $post_templates Array of template header names keyed by the template file name. * @param WP_Theme $theme The theme object. * @param WP_Post|null $post The post being edited, provided for context, or null. * @param string $post_type Post type to get the templates for. */ $post_templates = (array) apply_filters( 'theme_templates', $post_templates, $this, $post, $post_type ); /** * Filters list of page templates for a theme. * * The dynamic portion of the hook name, `$post_type`, refers to the post type. * * Possible hook names include: * * - `theme_post_templates` * - `theme_page_templates` * - `theme_attachment_templates` * * @since 3.9.0 * @since 4.4.0 Converted to allow complete control over the `$page_templates` array. * @since 4.7.0 Added the `$post_type` parameter. * * @param string[] $post_templates Array of template header names keyed by the template file name. * @param WP_Theme $theme The theme object. * @param WP_Post|null $post The post being edited, provided for context, or null. * @param string $post_type Post type to get the templates for. */ $post_templates = (array) apply_filters( "theme_{$post_type}_templates", $post_templates, $this, $post, $post_type ); return $post_templates; } /** * Scans a directory for files of a certain extension. * * @since 3.4.0 * * @param string $path Absolute path to search. * @param array|string|null $extensions Optional. Array of extensions to find, string of a single extension, * or null for all extensions. Default null. * @param int $depth Optional. How many levels deep to search for files. Accepts 0, 1+, or * -1 (infinite depth). Default 0. * @param string $relative_path Optional. The basename of the absolute path. Used to control the * returned path for the found files, particularly when this function * recurses to lower depths. Default empty. * @return string[]|false Array of files, keyed by the path to the file relative to the `$path` directory prepended * with `$relative_path`, with the values being absolute paths. False otherwise. */ private static function scandir( $path, $extensions = null, $depth = 0, $relative_path = '' ) { if ( ! is_dir( $path ) ) { return false; } if ( $extensions ) { $extensions = (array) $extensions; $_extensions = implode( '|', $extensions ); } $relative_path = trailingslashit( $relative_path ); if ( '/' === $relative_path ) { $relative_path = ''; } $results = scandir( $path ); $files = array(); /** * Filters the array of excluded directories and files while scanning theme folder. * * @since 4.7.4 * * @param string[] $exclusions Array of excluded directories and files. */ $exclusions = (array) apply_filters( 'theme_scandir_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) ); foreach ( $results as $result ) { if ( '.' === $result[0] || in_array( $result, $exclusions, true ) ) { continue; } if ( is_dir( $path . '/' . $result ) ) { if ( ! $depth ) { continue; } $found = self::scandir( $path . '/' . $result, $extensions, $depth - 1, $relative_path . $result ); $files = array_merge_recursive( $files, $found ); } elseif ( ! $extensions || preg_match( '~\.(' . $_extensions . ')$~', $result ) ) { $files[ $relative_path . $result ] = $path . '/' . $result; } } return $files; } /** * Loads the theme's textdomain. * * Translation files are not inherited from the parent theme. TODO: If this fails for the * child theme, it should probably try to load the parent theme's translations. * * @since 3.4.0 * * @return bool True if the textdomain was successfully loaded or has already been loaded. * False if no textdomain was specified in the file headers, or if the domain could not be loaded. */ public function load_textdomain() { if ( isset( $this->textdomain_loaded ) ) { return $this->textdomain_loaded; } $textdomain = $this->get( 'TextDomain' ); if ( ! $textdomain ) { $this->textdomain_loaded = false; return false; } if ( is_textdomain_loaded( $textdomain ) ) { $this->textdomain_loaded = true; return true; } $path = $this->get_stylesheet_directory(); $domainpath = $this->get( 'DomainPath' ); if ( $domainpath ) { $path .= $domainpath; } else { $path .= '/languages'; } $this->textdomain_loaded = load_theme_textdomain( $textdomain, $path ); return $this->textdomain_loaded; } /** * Determines whether the theme is allowed (multisite only). * * @since 3.4.0 * * @param string $check Optional. Whether to check only the 'network'-wide settings, the 'site' * settings, or 'both'. Defaults to 'both'. * @param int $blog_id Optional. Ignored if only network-wide settings are checked. Defaults to current site. * @return bool Whether the theme is allowed for the network. Returns true in single-site. */ public function is_allowed( $check = 'both', $blog_id = null ) { if ( ! is_multisite() ) { return true; } if ( 'both' === $check || 'network' === $check ) { $allowed = self::get_allowed_on_network(); if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) { return true; } } if ( 'both' === $check || 'site' === $check ) { $allowed = self::get_allowed_on_site( $blog_id ); if ( ! empty( $allowed[ $this->get_stylesheet() ] ) ) { return true; } } return false; } /** * Returns whether this theme is a block-based theme or not. * * @since 5.9.0 * * @return bool */ public function is_block_theme() { if ( isset( $this->block_theme ) ) { return $this->block_theme; } $paths_to_index_block_template = array( $this->get_file_path( '/templates/index.html' ), $this->get_file_path( '/block-templates/index.html' ), ); $this->block_theme = false; foreach ( $paths_to_index_block_template as $path_to_index_block_template ) { if ( is_file( $path_to_index_block_template ) && is_readable( $path_to_index_block_template ) ) { $this->block_theme = true; break; } } return $this->block_theme; } /** * Retrieves the path of a file in the theme. * * Searches in the stylesheet directory before the template directory so themes * which inherit from a parent theme can just override one file. * * @since 5.9.0 * * @param string $file Optional. File to search for in the stylesheet directory. * @return string The path of the file. */ public function get_file_path( $file = '' ) { $file = ltrim( $file, '/' ); $stylesheet_directory = $this->get_stylesheet_directory(); $template_directory = $this->get_template_directory(); if ( empty( $file ) ) { $path = $stylesheet_directory; } elseif ( $stylesheet_directory !== $template_directory && file_exists( $stylesheet_directory . '/' . $file ) ) { $path = $stylesheet_directory . '/' . $file; } else { $path = $template_directory . '/' . $file; } /** This filter is documented in wp-includes/link-template.php */ return apply_filters( 'theme_file_path', $path, $file ); } /** * Determines the latest WordPress default theme that is installed. * * This hits the filesystem. * * @since 4.4.0 * * @return WP_Theme|false Object, or false if no theme is installed, which would be bad. */ public static function get_core_default_theme() { foreach ( array_reverse( self::$default_themes ) as $slug => $name ) { $theme = wp_get_theme( $slug ); if ( $theme->exists() ) { return $theme; } } return false; } /** * Returns array of stylesheet names of themes allowed on the site or network. * * @since 3.4.0 * * @param int $blog_id Optional. ID of the site. Defaults to the current site. * @return string[] Array of stylesheet names. */ public static function get_allowed( $blog_id = null ) { /** * Filters the array of themes allowed on the network. * * Site is provided as context so that a list of network allowed themes can * be filtered further. * * @since 4.5.0 * * @param string[] $allowed_themes An array of theme stylesheet names. * @param int $blog_id ID of the site. */ $network = (array) apply_filters( 'network_allowed_themes', self::get_allowed_on_network(), $blog_id ); return $network + self::get_allowed_on_site( $blog_id ); } /** * Returns array of stylesheet names of themes allowed on the network. * * @since 3.4.0 * * @return string[] Array of stylesheet names. */ public static function get_allowed_on_network() { static $allowed_themes; if ( ! isset( $allowed_themes ) ) { $allowed_themes = (array) get_site_option( 'allowedthemes' ); } /** * Filters the array of themes allowed on the network. * * @since MU (3.0.0) * * @param string[] $allowed_themes An array of theme stylesheet names. */ $allowed_themes = apply_filters( 'allowed_themes', $allowed_themes ); return $allowed_themes; } /** * Returns array of stylesheet names of themes allowed on the site. * * @since 3.4.0 * * @param int $blog_id Optional. ID of the site. Defaults to the current site. * @return string[] Array of stylesheet names. */ public static function get_allowed_on_site( $blog_id = null ) { static $allowed_themes = array(); if ( ! $blog_id || ! is_multisite() ) { $blog_id = get_current_blog_id(); } if ( isset( $allowed_themes[ $blog_id ] ) ) { /** * Filters the array of themes allowed on the site. * * @since 4.5.0 * * @param string[] $allowed_themes An array of theme stylesheet names. * @param int $blog_id ID of the site. Defaults to current site. */ return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id ); } $current = get_current_blog_id() == $blog_id; if ( $current ) { $allowed_themes[ $blog_id ] = get_option( 'allowedthemes' ); } else { switch_to_blog( $blog_id ); $allowed_themes[ $blog_id ] = get_option( 'allowedthemes' ); restore_current_blog(); } /* * This is all super old MU back compat joy. * 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name. */ if ( false === $allowed_themes[ $blog_id ] ) { if ( $current ) { $allowed_themes[ $blog_id ] = get_option( 'allowed_themes' ); } else { switch_to_blog( $blog_id ); $allowed_themes[ $blog_id ] = get_option( 'allowed_themes' ); restore_current_blog(); } if ( ! is_array( $allowed_themes[ $blog_id ] ) || empty( $allowed_themes[ $blog_id ] ) ) { $allowed_themes[ $blog_id ] = array(); } else { $converted = array(); $themes = wp_get_themes(); foreach ( $themes as $stylesheet => $theme_data ) { if ( isset( $allowed_themes[ $blog_id ][ $theme_data->get( 'Name' ) ] ) ) { $converted[ $stylesheet ] = true; } } $allowed_themes[ $blog_id ] = $converted; } // Set the option so we never have to go through this pain again. if ( is_admin() && $allowed_themes[ $blog_id ] ) { if ( $current ) { update_option( 'allowedthemes', $allowed_themes[ $blog_id ] ); delete_option( 'allowed_themes' ); } else { switch_to_blog( $blog_id ); update_option( 'allowedthemes', $allowed_themes[ $blog_id ] ); delete_option( 'allowed_themes' ); restore_current_blog(); } } } /** This filter is documented in wp-includes/class-wp-theme.php */ return (array) apply_filters( 'site_allowed_themes', $allowed_themes[ $blog_id ], $blog_id ); } /** * Returns the folder names of the block template directories. * * @since 6.4.0 * * @return string[] { * Folder names used by block themes. * * @type string $wp_template Theme-relative directory name for block templates. * @type string $wp_template_part Theme-relative directory name for block template parts. * } */ public function get_block_template_folders() { // Return set/cached value if available. if ( isset( $this->block_template_folders ) ) { return $this->block_template_folders; } $this->block_template_folders = $this->default_template_folders; $stylesheet_directory = $this->get_stylesheet_directory(); // If the theme uses deprecated block template folders. if ( file_exists( $stylesheet_directory . '/block-templates' ) || file_exists( $stylesheet_directory . '/block-template-parts' ) ) { $this->block_template_folders = array( 'wp_template' => 'block-templates', 'wp_template_part' => 'block-template-parts', ); } return $this->block_template_folders; } /** * Gets block pattern data for a specified theme. * Each pattern is defined as a PHP file and defines * its metadata using plugin-style headers. The minimum required definition is: * * /** * * Title: My Pattern * * Slug: my-theme/my-pattern * * * * The output of the PHP source corresponds to the content of the pattern, e.g.: * *

Hello

* * If applicable, this will collect from both parent and child theme. * * Other settable fields include: * * - Description * - Viewport Width * - Inserter (yes/no) * - Categories (comma-separated values) * - Keywords (comma-separated values) * - Block Types (comma-separated values) * - Post Types (comma-separated values) * - Template Types (comma-separated values) * * @since 6.4.0 * * @return array Block pattern data. */ public function get_block_patterns() { $can_use_cached = ! wp_is_development_mode( 'theme' ); $pattern_data = $this->get_pattern_cache(); if ( is_array( $pattern_data ) ) { if ( $can_use_cached ) { return $pattern_data; } // If in development mode, clear pattern cache. $this->delete_pattern_cache(); } $dirpath = $this->get_stylesheet_directory() . '/patterns/'; $pattern_data = array(); if ( ! file_exists( $dirpath ) ) { if ( $can_use_cached ) { $this->set_pattern_cache( $pattern_data ); } return $pattern_data; } $files = glob( $dirpath . '*.php' ); if ( ! $files ) { if ( $can_use_cached ) { $this->set_pattern_cache( $pattern_data ); } return $pattern_data; } $default_headers = array( 'title' => 'Title', 'slug' => 'Slug', 'description' => 'Description', 'viewportWidth' => 'Viewport Width', 'inserter' => 'Inserter', 'categories' => 'Categories', 'keywords' => 'Keywords', 'blockTypes' => 'Block Types', 'postTypes' => 'Post Types', 'templateTypes' => 'Template Types', ); $properties_to_parse = array( 'categories', 'keywords', 'blockTypes', 'postTypes', 'templateTypes', ); foreach ( $files as $file ) { $pattern = get_file_data( $file, $default_headers ); if ( empty( $pattern['slug'] ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: file name. */ __( 'Could not register file "%s" as a block pattern ("Slug" field missing)' ), $file ), '6.0.0' ); continue; } if ( ! preg_match( '/^[A-z0-9\/_-]+$/', $pattern['slug'] ) ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: file name; 2: slug value found. */ __( 'Could not register file "%1$s" as a block pattern (invalid slug "%2$s")' ), $file, $pattern['slug'] ), '6.0.0' ); } // Title is a required property. if ( ! $pattern['title'] ) { _doing_it_wrong( __FUNCTION__, sprintf( /* translators: 1: file name. */ __( 'Could not register file "%s" as a block pattern ("Title" field missing)' ), $file ), '6.0.0' ); continue; } // For properties of type array, parse data as comma-separated. foreach ( $properties_to_parse as $property ) { if ( ! empty( $pattern[ $property ] ) ) { $pattern[ $property ] = array_filter( wp_parse_list( (string) $pattern[ $property ] ) ); } else { unset( $pattern[ $property ] ); } } // Parse properties of type int. $property = 'viewportWidth'; if ( ! empty( $pattern[ $property ] ) ) { $pattern[ $property ] = (int) $pattern[ $property ]; } else { unset( $pattern[ $property ] ); } // Parse properties of type bool. $property = 'inserter'; if ( ! empty( $pattern[ $property ] ) ) { $pattern[ $property ] = in_array( strtolower( $pattern[ $property ] ), array( 'yes', 'true' ), true ); } else { unset( $pattern[ $property ] ); } $key = str_replace( $dirpath, '', $file ); $pattern_data[ $key ] = $pattern; } if ( $can_use_cached ) { $this->set_pattern_cache( $pattern_data ); } return $pattern_data; } /** * Gets block pattern cache. * * @since 6.4.0 * * @return array|false Returns an array of patterns if cache is found, otherwise false. */ private function get_pattern_cache() { if ( ! $this->exists() ) { return false; } $pattern_data = wp_cache_get( 'wp_theme_patterns_' . $this->stylesheet, 'theme_files' ); if ( is_array( $pattern_data ) && $pattern_data['version'] === $this->get( 'Version' ) ) { return $pattern_data['patterns']; } return false; } /** * Sets block pattern cache. * * @since 6.4.0 * * @param array $patterns Block patterns data to set in cache. */ private function set_pattern_cache( array $patterns ) { $pattern_data = array( 'version' => $this->get( 'Version' ), 'patterns' => $patterns, ); wp_cache_set( 'wp_theme_patterns_' . $this->stylesheet, $pattern_data, 'theme_files' ); } /** * Clears block pattern cache. * * @since 6.4.0 */ public function delete_pattern_cache() { wp_cache_delete( 'wp_theme_patterns_' . $this->stylesheet, 'theme_files' ); } /** * Enables a theme for all sites on the current network. * * @since 4.6.0 * * @param string|string[] $stylesheets Stylesheet name or array of stylesheet names. */ public static function network_enable_theme( $stylesheets ) { if ( ! is_multisite() ) { return; } if ( ! is_array( $stylesheets ) ) { $stylesheets = array( $stylesheets ); } $allowed_themes = get_site_option( 'allowedthemes' ); foreach ( $stylesheets as $stylesheet ) { $allowed_themes[ $stylesheet ] = true; } update_site_option( 'allowedthemes', $allowed_themes ); } /** * Disables a theme for all sites on the current network. * * @since 4.6.0 * * @param string|string[] $stylesheets Stylesheet name or array of stylesheet names. */ public static function network_disable_theme( $stylesheets ) { if ( ! is_multisite() ) { return; } if ( ! is_array( $stylesheets ) ) { $stylesheets = array( $stylesheets ); } $allowed_themes = get_site_option( 'allowedthemes' ); foreach ( $stylesheets as $stylesheet ) { if ( isset( $allowed_themes[ $stylesheet ] ) ) { unset( $allowed_themes[ $stylesheet ] ); } } update_site_option( 'allowedthemes', $allowed_themes ); } /** * Sorts themes by name. * * @since 3.4.0 * * @param WP_Theme[] $themes Array of theme objects to sort (passed by reference). */ public static function sort_by_name( &$themes ) { if ( str_starts_with( get_user_locale(), 'en_' ) ) { uasort( $themes, array( 'WP_Theme', '_name_sort' ) ); } else { foreach ( $themes as $key => $theme ) { $theme->translate_header( 'Name', $theme->headers['Name'] ); } uasort( $themes, array( 'WP_Theme', '_name_sort_i18n' ) ); } } /** * Callback function for usort() to naturally sort themes by name. * * Accesses the Name header directly from the class for maximum speed. * Would choke on HTML but we don't care enough to slow it down with strip_tags(). * * @since 3.4.0 * * @param WP_Theme $a First theme. * @param WP_Theme $b Second theme. * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally. * Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort(). */ private static function _name_sort( $a, $b ) { return strnatcasecmp( $a->headers['Name'], $b->headers['Name'] ); } /** * Callback function for usort() to naturally sort themes by translated name. * * @since 3.4.0 * * @param WP_Theme $a First theme. * @param WP_Theme $b Second theme. * @return int Negative if `$a` falls lower in the natural order than `$b`. Zero if they fall equally. * Greater than 0 if `$a` falls higher in the natural order than `$b`. Used with usort(). */ private static function _name_sort_i18n( $a, $b ) { return strnatcasecmp( $a->name_translated, $b->name_translated ); } private static function _check_headers_property_has_correct_type( $headers ) { if ( ! is_array( $headers ) ) { return false; } foreach ( $headers as $key => $value ) { if ( ! is_string( $key ) || ! is_string( $value ) ) { return false; } } return true; } } /** * WP_Theme_JSON class * * @package WordPress * @subpackage Theme * @since 5.8.0 */ /** * Class that encapsulates the processing of structures that adhere to the theme.json spec. * * This class is for internal core usage and is not supposed to be used by extenders (plugins and/or themes). * This is a low-level API that may need to do breaking changes. Please, * use get_global_settings, get_global_styles, and get_global_stylesheet instead. * * @access private */ #[AllowDynamicProperties] class WP_Theme_JSON { /** * Container of data in theme.json format. * * @since 5.8.0 * @var array */ protected $theme_json = null; /** * Holds block metadata extracted from block.json * to be shared among all instances so we don't * process it twice. * * @since 5.8.0 * @since 6.1.0 Initialize as an empty array. * @var array */ protected static $blocks_metadata = array(); /** * The CSS selector for the top-level styles. * * @since 5.8.0 * @var string */ const ROOT_BLOCK_SELECTOR = 'body'; /** * The sources of data this object can represent. * * @since 5.8.0 * @since 6.1.0 Added 'blocks'. * @var string[] */ const VALID_ORIGINS = array( 'default', 'blocks', 'theme', 'custom', ); /** * Presets are a set of values that serve * to bootstrap some styles: colors, font sizes, etc. * * They are a unkeyed array of values such as: * * array( * array( * 'slug' => 'unique-name-within-the-set', * 'name' => 'Name for the UI', * => 'value' * ), * ) * * This contains the necessary metadata to process them: * * - path => Where to find the preset within the settings section. * - prevent_override => Disables override of default presets by theme presets. * The relationship between whether to override the defaults * and whether the defaults are enabled is inverse: * - If defaults are enabled => theme presets should not be overridden * - If defaults are disabled => theme presets should be overridden * For example, a theme sets defaultPalette to false, * making the default palette hidden from the user. * In that case, we want all the theme presets to be present, * so they should override the defaults by setting this false. * - use_default_names => whether to use the default names * - value_key => the key that represents the value * - value_func => optionally, instead of value_key, a function to generate * the value that takes a preset as an argument * (either value_key or value_func should be present) * - css_vars => template string to use in generating the CSS Custom Property. * Example output: "--wp--preset--duotone--blue: " will generate as many CSS Custom Properties as presets defined * substituting the $slug for the slug's value for each preset value. * - classes => array containing a structure with the classes to * generate for the presets, where for each array item * the key is the class name and the value the property name. * The "$slug" substring will be replaced by the slug of each preset. * For example: * 'classes' => array( * '.has-$slug-color' => 'color', * '.has-$slug-background-color' => 'background-color', * '.has-$slug-border-color' => 'border-color', * ) * - properties => array of CSS properties to be used by kses to * validate the content of each preset * by means of the remove_insecure_properties method. * * @since 5.8.0 * @since 5.9.0 Added the `color.duotone` and `typography.fontFamilies` presets, * `use_default_names` preset key, and simplified the metadata structure. * @since 6.0.0 Replaced `override` with `prevent_override` and updated the * `prevent_override` value for `color.duotone` to use `color.defaultDuotone`. * @since 6.2.0 Added 'shadow' presets. * @since 6.3.0 Replaced value_func for duotone with `null`. Custom properties are handled by class-wp-duotone.php. * @var array */ const PRESETS_METADATA = array( array( 'path' => array( 'color', 'palette' ), 'prevent_override' => array( 'color', 'defaultPalette' ), 'use_default_names' => false, 'value_key' => 'color', 'css_vars' => '--wp--preset--color--$slug', 'classes' => array( '.has-$slug-color' => 'color', '.has-$slug-background-color' => 'background-color', '.has-$slug-border-color' => 'border-color', ), 'properties' => array( 'color', 'background-color', 'border-color' ), ), array( 'path' => array( 'color', 'gradients' ), 'prevent_override' => array( 'color', 'defaultGradients' ), 'use_default_names' => false, 'value_key' => 'gradient', 'css_vars' => '--wp--preset--gradient--$slug', 'classes' => array( '.has-$slug-gradient-background' => 'background' ), 'properties' => array( 'background' ), ), array( 'path' => array( 'color', 'duotone' ), 'prevent_override' => array( 'color', 'defaultDuotone' ), 'use_default_names' => false, 'value_func' => null, // CSS Custom Properties for duotone are handled by block supports in class-wp-duotone.php. 'css_vars' => null, 'classes' => array(), 'properties' => array( 'filter' ), ), array( 'path' => array( 'typography', 'fontSizes' ), 'prevent_override' => false, 'use_default_names' => true, 'value_func' => 'wp_get_typography_font_size_value', 'css_vars' => '--wp--preset--font-size--$slug', 'classes' => array( '.has-$slug-font-size' => 'font-size' ), 'properties' => array( 'font-size' ), ), array( 'path' => array( 'typography', 'fontFamilies' ), 'prevent_override' => false, 'use_default_names' => false, 'value_key' => 'fontFamily', 'css_vars' => '--wp--preset--font-family--$slug', 'classes' => array( '.has-$slug-font-family' => 'font-family' ), 'properties' => array( 'font-family' ), ), array( 'path' => array( 'spacing', 'spacingSizes' ), 'prevent_override' => false, 'use_default_names' => true, 'value_key' => 'size', 'css_vars' => '--wp--preset--spacing--$slug', 'classes' => array(), 'properties' => array( 'padding', 'margin' ), ), array( 'path' => array( 'shadow', 'presets' ), 'prevent_override' => array( 'shadow', 'defaultPresets' ), 'use_default_names' => false, 'value_key' => 'shadow', 'css_vars' => '--wp--preset--shadow--$slug', 'classes' => array(), 'properties' => array( 'box-shadow' ), ), ); /** * Metadata for style properties. * * Each element is a direct mapping from the CSS property name to the * path to the value in theme.json & block attributes. * * @since 5.8.0 * @since 5.9.0 Added the `border-*`, `font-family`, `font-style`, `font-weight`, * `letter-spacing`, `margin-*`, `padding-*`, `--wp--style--block-gap`, * `text-decoration`, `text-transform`, and `filter` properties, * simplified the metadata structure. * @since 6.1.0 Added the `border-*-color`, `border-*-width`, `border-*-style`, * `--wp--style--root--padding-*`, and `box-shadow` properties, * removed the `--wp--style--block-gap` property. * @since 6.2.0 Added `outline-*`, and `min-height` properties. * @since 6.3.0 Added `column-count` property. * @since 6.4.0 Added `writing-mode` property. * @since 6.5.0 Added `aspect-ratio` property. * * @var array */ const PROPERTIES_METADATA = array( 'aspect-ratio' => array( 'dimensions', 'aspectRatio' ), 'background' => array( 'color', 'gradient' ), 'background-color' => array( 'color', 'background' ), 'border-radius' => array( 'border', 'radius' ), 'border-top-left-radius' => array( 'border', 'radius', 'topLeft' ), 'border-top-right-radius' => array( 'border', 'radius', 'topRight' ), 'border-bottom-left-radius' => array( 'border', 'radius', 'bottomLeft' ), 'border-bottom-right-radius' => array( 'border', 'radius', 'bottomRight' ), 'border-color' => array( 'border', 'color' ), 'border-width' => array( 'border', 'width' ), 'border-style' => array( 'border', 'style' ), 'border-top-color' => array( 'border', 'top', 'color' ), 'border-top-width' => array( 'border', 'top', 'width' ), 'border-top-style' => array( 'border', 'top', 'style' ), 'border-right-color' => array( 'border', 'right', 'color' ), 'border-right-width' => array( 'border', 'right', 'width' ), 'border-right-style' => array( 'border', 'right', 'style' ), 'border-bottom-color' => array( 'border', 'bottom', 'color' ), 'border-bottom-width' => array( 'border', 'bottom', 'width' ), 'border-bottom-style' => array( 'border', 'bottom', 'style' ), 'border-left-color' => array( 'border', 'left', 'color' ), 'border-left-width' => array( 'border', 'left', 'width' ), 'border-left-style' => array( 'border', 'left', 'style' ), 'color' => array( 'color', 'text' ), 'column-count' => array( 'typography', 'textColumns' ), 'font-family' => array( 'typography', 'fontFamily' ), 'font-size' => array( 'typography', 'fontSize' ), 'font-style' => array( 'typography', 'fontStyle' ), 'font-weight' => array( 'typography', 'fontWeight' ), 'letter-spacing' => array( 'typography', 'letterSpacing' ), 'line-height' => array( 'typography', 'lineHeight' ), 'margin' => array( 'spacing', 'margin' ), 'margin-top' => array( 'spacing', 'margin', 'top' ), 'margin-right' => array( 'spacing', 'margin', 'right' ), 'margin-bottom' => array( 'spacing', 'margin', 'bottom' ), 'margin-left' => array( 'spacing', 'margin', 'left' ), 'min-height' => array( 'dimensions', 'minHeight' ), 'outline-color' => array( 'outline', 'color' ), 'outline-offset' => array( 'outline', 'offset' ), 'outline-style' => array( 'outline', 'style' ), 'outline-width' => array( 'outline', 'width' ), 'padding' => array( 'spacing', 'padding' ), 'padding-top' => array( 'spacing', 'padding', 'top' ), 'padding-right' => array( 'spacing', 'padding', 'right' ), 'padding-bottom' => array( 'spacing', 'padding', 'bottom' ), 'padding-left' => array( 'spacing', 'padding', 'left' ), '--wp--style--root--padding' => array( 'spacing', 'padding' ), '--wp--style--root--padding-top' => array( 'spacing', 'padding', 'top' ), '--wp--style--root--padding-right' => array( 'spacing', 'padding', 'right' ), '--wp--style--root--padding-bottom' => array( 'spacing', 'padding', 'bottom' ), '--wp--style--root--padding-left' => array( 'spacing', 'padding', 'left' ), 'text-decoration' => array( 'typography', 'textDecoration' ), 'text-transform' => array( 'typography', 'textTransform' ), 'filter' => array( 'filter', 'duotone' ), 'box-shadow' => array( 'shadow' ), 'writing-mode' => array( 'typography', 'writingMode' ), ); /** * Indirect metadata for style properties that are not directly output. * * Each element maps from a CSS property name to an array of * paths to the value in theme.json & block attributes. * * Indirect properties are not output directly by `compute_style_properties`, * but are used elsewhere in the processing of global styles. The indirect * property is used to validate whether or not a style value is allowed. * * @since 6.2.0 * * @var array */ const INDIRECT_PROPERTIES_METADATA = array( 'gap' => array( array( 'spacing', 'blockGap' ), ), 'column-gap' => array( array( 'spacing', 'blockGap', 'left' ), ), 'row-gap' => array( array( 'spacing', 'blockGap', 'top' ), ), 'max-width' => array( array( 'layout', 'contentSize' ), array( 'layout', 'wideSize' ), ), ); /** * Protected style properties. * * These style properties are only rendered if a setting enables it * via a value other than `null`. * * Each element maps the style property to the corresponding theme.json * setting key. * * @since 5.9.0 */ const PROTECTED_PROPERTIES = array( 'spacing.blockGap' => array( 'spacing', 'blockGap' ), ); /** * The top-level keys a theme.json can have. * * @since 5.8.0 As `ALLOWED_TOP_LEVEL_KEYS`. * @since 5.9.0 Renamed from `ALLOWED_TOP_LEVEL_KEYS` to `VALID_TOP_LEVEL_KEYS`, * added the `customTemplates` and `templateParts` values. * @since 6.3.0 Added the `description` value. * @var string[] */ const VALID_TOP_LEVEL_KEYS = array( 'customTemplates', 'description', 'patterns', 'settings', 'styles', 'templateParts', 'title', 'version', ); /** * The valid properties under the settings key. * * @since 5.8.0 As `ALLOWED_SETTINGS`. * @since 5.9.0 Renamed from `ALLOWED_SETTINGS` to `VALID_SETTINGS`, * added new properties for `border`, `color`, `spacing`, * and `typography`, and renamed others according to the new schema. * @since 6.0.0 Added `color.defaultDuotone`. * @since 6.1.0 Added `layout.definitions` and `useRootPaddingAwareAlignments`. * @since 6.2.0 Added `dimensions.minHeight`, 'shadow.presets', 'shadow.defaultPresets', * `position.fixed` and `position.sticky`. * @since 6.3.0 Added support for `typography.textColumns`, removed `layout.definitions`. * @since 6.4.0 Added support for `layout.allowEditing`, `background.backgroundImage`, * `typography.writingMode`, `lightbox.enabled` and `lightbox.allowEditing`. * @since 6.5.0 Added support for `layout.allowCustomContentAndWideSize`, * `background.backgroundSize` and `dimensions.aspectRatio`. * @var array */ const VALID_SETTINGS = array( 'appearanceTools' => null, 'useRootPaddingAwareAlignments' => null, 'background' => array( 'backgroundImage' => null, 'backgroundSize' => null, ), 'border' => array( 'color' => null, 'radius' => null, 'style' => null, 'width' => null, ), 'color' => array( 'background' => null, 'custom' => null, 'customDuotone' => null, 'customGradient' => null, 'defaultDuotone' => null, 'defaultGradients' => null, 'defaultPalette' => null, 'duotone' => null, 'gradients' => null, 'link' => null, 'heading' => null, 'button' => null, 'caption' => null, 'palette' => null, 'text' => null, ), 'custom' => null, 'dimensions' => array( 'aspectRatio' => null, 'minHeight' => null, ), 'layout' => array( 'contentSize' => null, 'wideSize' => null, 'allowEditing' => null, 'allowCustomContentAndWideSize' => null, ), 'lightbox' => array( 'enabled' => null, 'allowEditing' => null, ), 'position' => array( 'fixed' => null, 'sticky' => null, ), 'spacing' => array( 'customSpacingSize' => null, 'spacingSizes' => null, 'spacingScale' => null, 'blockGap' => null, 'margin' => null, 'padding' => null, 'units' => null, ), 'shadow' => array( 'presets' => null, 'defaultPresets' => null, ), 'typography' => array( 'fluid' => null, 'customFontSize' => null, 'dropCap' => null, 'fontFamilies' => null, 'fontSizes' => null, 'fontStyle' => null, 'fontWeight' => null, 'letterSpacing' => null, 'lineHeight' => null, 'textColumns' => null, 'textDecoration' => null, 'textTransform' => null, 'writingMode' => null, ), ); /* * The valid properties for fontFamilies under settings key. * * @since 6.5.0 * * @var array */ const FONT_FAMILY_SCHEMA = array( array( 'fontFamily' => null, 'name' => null, 'slug' => null, 'fontFace' => array( array( 'ascentOverride' => null, 'descentOverride' => null, 'fontDisplay' => null, 'fontFamily' => null, 'fontFeatureSettings' => null, 'fontStyle' => null, 'fontStretch' => null, 'fontVariationSettings' => null, 'fontWeight' => null, 'lineGapOverride' => null, 'sizeAdjust' => null, 'src' => null, 'unicodeRange' => null, ), ), ), ); /** * The valid properties under the styles key. * * @since 5.8.0 As `ALLOWED_STYLES`. * @since 5.9.0 Renamed from `ALLOWED_STYLES` to `VALID_STYLES`, * added new properties for `border`, `filter`, `spacing`, * and `typography`. * @since 6.1.0 Added new side properties for `border`, * added new property `shadow`, * updated `blockGap` to be allowed at any level. * @since 6.2.0 Added `outline`, and `minHeight` properties. * @since 6.3.0 Added support for `typography.textColumns`. * @since 6.5.0 Added support for `dimensions.aspectRatio`. * * @var array */ const VALID_STYLES = array( 'border' => array( 'color' => null, 'radius' => null, 'style' => null, 'width' => null, 'top' => null, 'right' => null, 'bottom' => null, 'left' => null, ), 'color' => array( 'background' => null, 'gradient' => null, 'text' => null, ), 'dimensions' => array( 'aspectRatio' => null, 'minHeight' => null, ), 'filter' => array( 'duotone' => null, ), 'outline' => array( 'color' => null, 'offset' => null, 'style' => null, 'width' => null, ), 'shadow' => null, 'spacing' => array( 'margin' => null, 'padding' => null, 'blockGap' => null, ), 'typography' => array( 'fontFamily' => null, 'fontSize' => null, 'fontStyle' => null, 'fontWeight' => null, 'letterSpacing' => null, 'lineHeight' => null, 'textColumns' => null, 'textDecoration' => null, 'textTransform' => null, 'writingMode' => null, ), 'css' => null, ); /** * Defines which pseudo selectors are enabled for which elements. * * The order of the selectors should be: link, any-link, visited, hover, focus, active. * This is to ensure the user action (hover, focus and active) styles have a higher * specificity than the visited styles, which in turn have a higher specificity than * the unvisited styles. * * See https://core.trac.wordpress.org/ticket/56928. * Note: this will affect both top-level and block-level elements. * * @since 6.1.0 * @since 6.2.0 Added support for ':link' and ':any-link'. */ const VALID_ELEMENT_PSEUDO_SELECTORS = array( 'link' => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':active' ), 'button' => array( ':link', ':any-link', ':visited', ':hover', ':focus', ':active' ), ); /** * The valid elements that can be found under styles. * * @since 5.8.0 * @since 6.1.0 Added `heading`, `button`, and `caption` elements. * @var string[] */ const ELEMENTS = array( 'link' => 'a:where(:not(.wp-element-button))', // The `where` is needed to lower the specificity. 'heading' => 'h1, h2, h3, h4, h5, h6', 'h1' => 'h1', 'h2' => 'h2', 'h3' => 'h3', 'h4' => 'h4', 'h5' => 'h5', 'h6' => 'h6', // We have the .wp-block-button__link class so that this will target older buttons that have been serialized. 'button' => '.wp-element-button, .wp-block-button__link', // The block classes are necessary to target older content that won't use the new class names. 'caption' => '.wp-element-caption, .wp-block-audio figcaption, .wp-block-embed figcaption, .wp-block-gallery figcaption, .wp-block-image figcaption, .wp-block-table figcaption, .wp-block-video figcaption', 'cite' => 'cite', ); const __EXPERIMENTAL_ELEMENT_CLASS_NAMES = array( 'button' => 'wp-element-button', 'caption' => 'wp-element-caption', ); /** * List of block support features that can have their related styles * generated under their own feature level selector rather than the block's. * * @since 6.1.0 * @var string[] */ const BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS = array( '__experimentalBorder' => 'border', 'color' => 'color', 'spacing' => 'spacing', 'typography' => 'typography', ); /** * Return the input schema at the root and per origin. * * @since 6.5.0 * * @param array $schema The base schema. * @return array The schema at the root and per origin. * * Example: * schema_in_root_and_per_origin( * array( * 'fontFamily' => null, * 'slug' => null, * ) * ) * * Returns: * array( * 'fontFamily' => null, * 'slug' => null, * 'default' => array( * 'fontFamily' => null, * 'slug' => null, * ), * 'blocks' => array( * 'fontFamily' => null, * 'slug' => null, * ), * 'theme' => array( * 'fontFamily' => null, * 'slug' => null, * ), * 'custom' => array( * 'fontFamily' => null, * 'slug' => null, * ), * ) */ protected static function schema_in_root_and_per_origin( $schema ) { $schema_in_root_and_per_origin = $schema; foreach ( static::VALID_ORIGINS as $origin ) { $schema_in_root_and_per_origin[ $origin ] = $schema; } return $schema_in_root_and_per_origin; } /** * Returns a class name by an element name. * * @since 6.1.0 * * @param string $element The name of the element. * @return string The name of the class. */ public static function get_element_class_name( $element ) { $class_name = ''; if ( isset( static::__EXPERIMENTAL_ELEMENT_CLASS_NAMES[ $element ] ) ) { $class_name = static::__EXPERIMENTAL_ELEMENT_CLASS_NAMES[ $element ]; } return $class_name; } /** * Options that settings.appearanceTools enables. * * @since 6.0.0 * @since 6.2.0 Added `dimensions.minHeight` and `position.sticky`. * @since 6.4.0 Added `background.backgroundImage`. * @since 6.5.0 Added `background.backgroundSize` and `dimensions.aspectRatio`. * @var array */ const APPEARANCE_TOOLS_OPT_INS = array( array( 'background', 'backgroundImage' ), array( 'background', 'backgroundSize' ), array( 'border', 'color' ), array( 'border', 'radius' ), array( 'border', 'style' ), array( 'border', 'width' ), array( 'color', 'link' ), array( 'color', 'heading' ), array( 'color', 'button' ), array( 'color', 'caption' ), array( 'dimensions', 'aspectRatio' ), array( 'dimensions', 'minHeight' ), array( 'position', 'sticky' ), array( 'spacing', 'blockGap' ), array( 'spacing', 'margin' ), array( 'spacing', 'padding' ), array( 'typography', 'lineHeight' ), ); /** * The latest version of the schema in use. * * @since 5.8.0 * @since 5.9.0 Changed value from 1 to 2. * @var int */ const LATEST_SCHEMA = 2; /** * Constructor. * * @since 5.8.0 * * @param array $theme_json A structure that follows the theme.json schema. * @param string $origin Optional. What source of data this object represents. * One of 'default', 'theme', or 'custom'. Default 'theme'. */ public function __construct( $theme_json = array(), $origin = 'theme' ) { if ( ! in_array( $origin, static::VALID_ORIGINS, true ) ) { $origin = 'theme'; } $this->theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $valid_variations = array(); foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) { if ( ! isset( $block_meta['styleVariations'] ) ) { continue; } $valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] ); } $theme_json = static::sanitize( $this->theme_json, $valid_block_names, $valid_element_names, $valid_variations ); $this->theme_json = static::maybe_opt_in_into_settings( $theme_json ); // Internally, presets are keyed by origin. $nodes = static::get_setting_nodes( $this->theme_json ); foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = $node['path']; foreach ( $preset_metadata['path'] as $subpath ) { $path[] = $subpath; } $preset = _wp_array_get( $this->theme_json, $path, null ); if ( null !== $preset ) { // If the preset is not already keyed by origin. if ( isset( $preset[0] ) || empty( $preset ) ) { _wp_array_set( $this->theme_json, $path, array( $origin => $preset ) ); } } } } } /** * Enables some opt-in settings if theme declared support. * * @since 5.9.0 * * @param array $theme_json A theme.json structure to modify. * @return array The modified theme.json structure. */ protected static function maybe_opt_in_into_settings( $theme_json ) { $new_theme_json = $theme_json; if ( isset( $new_theme_json['settings']['appearanceTools'] ) && true === $new_theme_json['settings']['appearanceTools'] ) { static::do_opt_in_into_settings( $new_theme_json['settings'] ); } if ( isset( $new_theme_json['settings']['blocks'] ) && is_array( $new_theme_json['settings']['blocks'] ) ) { foreach ( $new_theme_json['settings']['blocks'] as &$block ) { if ( isset( $block['appearanceTools'] ) && ( true === $block['appearanceTools'] ) ) { static::do_opt_in_into_settings( $block ); } } } return $new_theme_json; } /** * Enables some settings. * * @since 5.9.0 * * @param array $context The context to which the settings belong. */ protected static function do_opt_in_into_settings( &$context ) { foreach ( static::APPEARANCE_TOOLS_OPT_INS as $path ) { /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ if ( 'unset prop' === _wp_array_get( $context, $path, 'unset prop' ) ) { _wp_array_set( $context, $path, true ); } } unset( $context['appearanceTools'] ); } /** * Sanitizes the input according to the schemas. * * @since 5.8.0 * @since 5.9.0 Added the `$valid_block_names` and `$valid_element_name` parameters. * @since 6.3.0 Added the `$valid_variations` parameter. * * @param array $input Structure to sanitize. * @param array $valid_block_names List of valid block names. * @param array $valid_element_names List of valid element names. * @param array $valid_variations List of valid variations per block. * @return array The sanitized output. */ protected static function sanitize( $input, $valid_block_names, $valid_element_names, $valid_variations ) { $output = array(); if ( ! is_array( $input ) ) { return $output; } // Preserve only the top most level keys. $output = array_intersect_key( $input, array_flip( static::VALID_TOP_LEVEL_KEYS ) ); /* * Remove any rules that are annotated as "top" in VALID_STYLES constant. * Some styles are only meant to be available at the top-level (e.g.: blockGap), * hence, the schema for blocks & elements should not have them. */ $styles_non_top_level = static::VALID_STYLES; foreach ( array_keys( $styles_non_top_level ) as $section ) { // array_key_exists() needs to be used instead of isset() because the value can be null. if ( array_key_exists( $section, $styles_non_top_level ) && is_array( $styles_non_top_level[ $section ] ) ) { foreach ( array_keys( $styles_non_top_level[ $section ] ) as $prop ) { if ( 'top' === $styles_non_top_level[ $section ][ $prop ] ) { unset( $styles_non_top_level[ $section ][ $prop ] ); } } } } // Build the schema based on valid block & element names. $schema = array(); $schema_styles_elements = array(); /* * Set allowed element pseudo selectors based on per element allow list. * Target data structure in schema: * e.g. * - top level elements: `$schema['styles']['elements']['link'][':hover']`. * - block level elements: `$schema['styles']['blocks']['core/button']['elements']['link'][':hover']`. */ foreach ( $valid_element_names as $element ) { $schema_styles_elements[ $element ] = $styles_non_top_level; if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { $schema_styles_elements[ $element ][ $pseudo_selector ] = $styles_non_top_level; } } } $schema_styles_blocks = array(); $schema_settings_blocks = array(); foreach ( $valid_block_names as $block ) { // Build the schema for each block style variation. $style_variation_names = array(); if ( ! empty( $input['styles']['blocks'][ $block ]['variations'] ) && is_array( $input['styles']['blocks'][ $block ]['variations'] ) && isset( $valid_variations[ $block ] ) ) { $style_variation_names = array_intersect( array_keys( $input['styles']['blocks'][ $block ]['variations'] ), $valid_variations[ $block ] ); } $schema_styles_variations = array(); if ( ! empty( $style_variation_names ) ) { $schema_styles_variations = array_fill_keys( $style_variation_names, $styles_non_top_level ); } $schema_settings_blocks[ $block ] = static::VALID_SETTINGS; $schema_styles_blocks[ $block ] = $styles_non_top_level; $schema_styles_blocks[ $block ]['elements'] = $schema_styles_elements; $schema_styles_blocks[ $block ]['variations'] = $schema_styles_variations; } $schema['styles'] = static::VALID_STYLES; $schema['styles']['blocks'] = $schema_styles_blocks; $schema['styles']['elements'] = $schema_styles_elements; $schema['settings'] = static::VALID_SETTINGS; $schema['settings']['blocks'] = $schema_settings_blocks; $schema['settings']['typography']['fontFamilies'] = static::schema_in_root_and_per_origin( static::FONT_FAMILY_SCHEMA ); // Remove anything that's not present in the schema. foreach ( array( 'styles', 'settings' ) as $subtree ) { if ( ! isset( $input[ $subtree ] ) ) { continue; } if ( ! is_array( $input[ $subtree ] ) ) { unset( $output[ $subtree ] ); continue; } $result = static::remove_keys_not_in_schema( $input[ $subtree ], $schema[ $subtree ] ); if ( empty( $result ) ) { unset( $output[ $subtree ] ); } else { $output[ $subtree ] = static::resolve_custom_css_format( $result ); } } return $output; } /** * Appends a sub-selector to an existing one. * * Given the compounded $selector "h1, h2, h3" * and the $to_append selector ".some-class" the result will be * "h1.some-class, h2.some-class, h3.some-class". * * @since 5.8.0 * @since 6.1.0 Added append position. * @since 6.3.0 Removed append position parameter. * * @param string $selector Original selector. * @param string $to_append Selector to append. * @return string The new selector. */ protected static function append_to_selector( $selector, $to_append ) { if ( ! str_contains( $selector, ',' ) ) { return $selector . $to_append; } $new_selectors = array(); $selectors = explode( ',', $selector ); foreach ( $selectors as $sel ) { $new_selectors[] = $sel . $to_append; } return implode( ',', $new_selectors ); } /** * Prepends a sub-selector to an existing one. * * Given the compounded $selector "h1, h2, h3" * and the $to_prepend selector ".some-class " the result will be * ".some-class h1, .some-class h2, .some-class h3". * * @since 6.3.0 * * @param string $selector Original selector. * @param string $to_prepend Selector to prepend. * @return string The new selector. */ protected static function prepend_to_selector( $selector, $to_prepend ) { if ( ! str_contains( $selector, ',' ) ) { return $to_prepend . $selector; } $new_selectors = array(); $selectors = explode( ',', $selector ); foreach ( $selectors as $sel ) { $new_selectors[] = $to_prepend . $sel; } return implode( ',', $new_selectors ); } /** * Returns the metadata for each block. * * Example: * * { * 'core/paragraph': { * 'selector': 'p', * 'elements': { * 'link' => 'link selector', * 'etc' => 'element selector' * } * }, * 'core/heading': { * 'selector': 'h1', * 'elements': {} * }, * 'core/image': { * 'selector': '.wp-block-image', * 'duotone': 'img', * 'elements': {} * } * } * * @since 5.8.0 * @since 5.9.0 Added `duotone` key with CSS selector. * @since 6.1.0 Added `features` key with block support feature level selectors. * @since 6.3.0 Refactored and stabilized selectors API. * * @return array Block metadata. */ protected static function get_blocks_metadata() { $registry = WP_Block_Type_Registry::get_instance(); $blocks = $registry->get_all_registered(); // Is there metadata for all currently registered blocks? $blocks = array_diff_key( $blocks, static::$blocks_metadata ); if ( empty( $blocks ) ) { return static::$blocks_metadata; } foreach ( $blocks as $block_name => $block_type ) { $root_selector = wp_get_block_css_selector( $block_type ); static::$blocks_metadata[ $block_name ]['selector'] = $root_selector; static::$blocks_metadata[ $block_name ]['selectors'] = static::get_block_selectors( $block_type, $root_selector ); $elements = static::get_block_element_selectors( $root_selector ); if ( ! empty( $elements ) ) { static::$blocks_metadata[ $block_name ]['elements'] = $elements; } // The block may or may not have a duotone selector. $duotone_selector = wp_get_block_css_selector( $block_type, 'filter.duotone' ); // Keep backwards compatibility for support.color.__experimentalDuotone. if ( null === $duotone_selector ) { $duotone_support = isset( $block_type->supports['color']['__experimentalDuotone'] ) ? $block_type->supports['color']['__experimentalDuotone'] : null; if ( $duotone_support ) { $root_selector = wp_get_block_css_selector( $block_type ); $duotone_selector = static::scope_selector( $root_selector, $duotone_support ); } } if ( null !== $duotone_selector ) { static::$blocks_metadata[ $block_name ]['duotone'] = $duotone_selector; } // If the block has style variations, append their selectors to the block metadata. if ( ! empty( $block_type->styles ) ) { $style_selectors = array(); foreach ( $block_type->styles as $style ) { $style_selectors[ $style['name'] ] = static::get_block_style_variation_selector( $style['name'], static::$blocks_metadata[ $block_name ]['selector'] ); } static::$blocks_metadata[ $block_name ]['styleVariations'] = $style_selectors; } } return static::$blocks_metadata; } /** * Given a tree, removes the keys that are not present in the schema. * * It is recursive and modifies the input in-place. * * @since 5.8.0 * * @param array $tree Input to process. * @param array $schema Schema to adhere to. * @return array The modified $tree. */ protected static function remove_keys_not_in_schema( $tree, $schema ) { if ( ! is_array( $tree ) ) { return $tree; } foreach ( $tree as $key => $value ) { // Remove keys not in the schema or with null/empty values. if ( ! array_key_exists( $key, $schema ) ) { unset( $tree[ $key ] ); continue; } if ( is_array( $schema[ $key ] ) ) { if ( ! is_array( $value ) ) { unset( $tree[ $key ] ); } elseif ( wp_is_numeric_array( $value ) ) { // If indexed, process each item in the array. foreach ( $value as $item_key => $item_value ) { if ( isset( $schema[ $key ][0] ) && is_array( $schema[ $key ][0] ) ) { $tree[ $key ][ $item_key ] = self::remove_keys_not_in_schema( $item_value, $schema[ $key ][0] ); } else { // If the schema does not define a further structure, keep the value as is. $tree[ $key ][ $item_key ] = $item_value; } } } else { // If associative, process as a single object. $tree[ $key ] = self::remove_keys_not_in_schema( $value, $schema[ $key ] ); if ( empty( $tree[ $key ] ) ) { unset( $tree[ $key ] ); } } } } return $tree; } /** * Returns the existing settings for each block. * * Example: * * { * 'root': { * 'color': { * 'custom': true * } * }, * 'core/paragraph': { * 'spacing': { * 'customPadding': true * } * } * } * * @since 5.8.0 * * @return array Settings per block. */ public function get_settings() { if ( ! isset( $this->theme_json['settings'] ) ) { return array(); } else { return $this->theme_json['settings']; } } /** * Returns the stylesheet that results of processing * the theme.json structure this object represents. * * @since 5.8.0 * @since 5.9.0 Removed the `$type` parameter, added the `$types` and `$origins` parameters. * @since 6.3.0 Add fallback layout styles for Post Template when block gap support isn't available. * * @param string[] $types Types of styles to load. Will load all by default. It accepts: * - `variables`: only the CSS Custom Properties for presets & custom ones. * - `styles`: only the styles section in theme.json. * - `presets`: only the classes for the presets. * @param string[] $origins A list of origins to include. By default it includes VALID_ORIGINS. * @param array $options An array of options for now used for internal purposes only (may change without notice). * The options currently supported are 'scope' that makes sure all style are scoped to a * given selector, and root_selector which overwrites and forces a given selector to be * used on the root node. * @return string The resulting stylesheet. */ public function get_stylesheet( $types = array( 'variables', 'styles', 'presets' ), $origins = null, $options = array() ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } if ( is_string( $types ) ) { // Dispatch error and map old arguments to new ones. _deprecated_argument( __FUNCTION__, '5.9.0' ); if ( 'block_styles' === $types ) { $types = array( 'styles', 'presets' ); } elseif ( 'css_variables' === $types ) { $types = array( 'variables' ); } else { $types = array( 'variables', 'styles', 'presets' ); } } $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $this->theme_json, $blocks_metadata ); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $root_style_key = array_search( static::ROOT_BLOCK_SELECTOR, array_column( $style_nodes, 'selector' ), true ); $root_settings_key = array_search( static::ROOT_BLOCK_SELECTOR, array_column( $setting_nodes, 'selector' ), true ); if ( ! empty( $options['scope'] ) ) { foreach ( $setting_nodes as &$node ) { $node['selector'] = static::scope_selector( $options['scope'], $node['selector'] ); } foreach ( $style_nodes as &$node ) { $node['selector'] = static::scope_selector( $options['scope'], $node['selector'] ); } unset( $node ); } if ( ! empty( $options['root_selector'] ) ) { if ( false !== $root_settings_key ) { $setting_nodes[ $root_settings_key ]['selector'] = $options['root_selector']; } if ( false !== $root_style_key ) { $style_nodes[ $root_style_key ]['selector'] = $options['root_selector']; } } $stylesheet = ''; if ( in_array( 'variables', $types, true ) ) { $stylesheet .= $this->get_css_variables( $setting_nodes, $origins ); } if ( in_array( 'styles', $types, true ) ) { if ( false !== $root_style_key ) { $stylesheet .= $this->get_root_layout_rules( $style_nodes[ $root_style_key ]['selector'], $style_nodes[ $root_style_key ] ); } $stylesheet .= $this->get_block_classes( $style_nodes ); } elseif ( in_array( 'base-layout-styles', $types, true ) ) { $root_selector = static::ROOT_BLOCK_SELECTOR; $columns_selector = '.wp-block-columns'; $post_template_selector = '.wp-block-post-template'; if ( ! empty( $options['scope'] ) ) { $root_selector = static::scope_selector( $options['scope'], $root_selector ); $columns_selector = static::scope_selector( $options['scope'], $columns_selector ); $post_template_selector = static::scope_selector( $options['scope'], $post_template_selector ); } if ( ! empty( $options['root_selector'] ) ) { $root_selector = $options['root_selector']; } /* * Base layout styles are provided as part of `styles`, so only output separately if explicitly requested. * For backwards compatibility, the Columns block is explicitly included, to support a different default gap value. */ $base_styles_nodes = array( array( 'path' => array( 'styles' ), 'selector' => $root_selector, ), array( 'path' => array( 'styles', 'blocks', 'core/columns' ), 'selector' => $columns_selector, 'name' => 'core/columns', ), array( 'path' => array( 'styles', 'blocks', 'core/post-template' ), 'selector' => $post_template_selector, 'name' => 'core/post-template', ), ); foreach ( $base_styles_nodes as $base_style_node ) { $stylesheet .= $this->get_layout_styles( $base_style_node, $types ); } } if ( in_array( 'presets', $types, true ) ) { $stylesheet .= $this->get_preset_classes( $setting_nodes, $origins ); } return $stylesheet; } /** * Processes the CSS, to apply nesting. * * @since 6.2.0 * * @param string $css The CSS to process. * @param string $selector The selector to nest. * @return string The processed CSS. */ protected function process_blocks_custom_css( $css, $selector ) { $processed_css = ''; // Split CSS nested rules. $parts = explode( '&', $css ); foreach ( $parts as $part ) { $is_root_css = ( ! str_contains( $part, '{' ) ); if ( $is_root_css ) { // If the part doesn't contain braces, it applies to the root level. $processed_css .= trim( $selector ) . '{' . trim( $part ) . '}'; } else { // If the part contains braces, it's a nested CSS rule. $part = explode( '{', str_replace( '}', '', $part ) ); if ( count( $part ) !== 2 ) { continue; } $nested_selector = $part[0]; $css_value = $part[1]; $part_selector = str_starts_with( $nested_selector, ' ' ) ? static::scope_selector( $selector, $nested_selector ) : static::append_to_selector( $selector, $nested_selector ); $processed_css .= $part_selector . '{' . trim( $css_value ) . '}'; } } return $processed_css; } /** * Returns the global styles custom CSS. * * @since 6.2.0 * * @return string The global styles custom CSS. */ public function get_custom_css() { // Add the global styles root CSS. $stylesheet = isset( $this->theme_json['styles']['css'] ) ? $this->theme_json['styles']['css'] : ''; // Add the global styles block CSS. if ( isset( $this->theme_json['styles']['blocks'] ) ) { foreach ( $this->theme_json['styles']['blocks'] as $name => $node ) { $custom_block_css = isset( $this->theme_json['styles']['blocks'][ $name ]['css'] ) ? $this->theme_json['styles']['blocks'][ $name ]['css'] : null; if ( $custom_block_css ) { $selector = static::$blocks_metadata[ $name ]['selector']; $stylesheet .= $this->process_blocks_custom_css( $custom_block_css, $selector ); } } } return $stylesheet; } /** * Returns the page templates of the active theme. * * @since 5.9.0 * * @return array */ public function get_custom_templates() { $custom_templates = array(); if ( ! isset( $this->theme_json['customTemplates'] ) || ! is_array( $this->theme_json['customTemplates'] ) ) { return $custom_templates; } foreach ( $this->theme_json['customTemplates'] as $item ) { if ( isset( $item['name'] ) ) { $custom_templates[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'postTypes' => isset( $item['postTypes'] ) ? $item['postTypes'] : array( 'page' ), ); } } return $custom_templates; } /** * Returns the template part data of active theme. * * @since 5.9.0 * * @return array */ public function get_template_parts() { $template_parts = array(); if ( ! isset( $this->theme_json['templateParts'] ) || ! is_array( $this->theme_json['templateParts'] ) ) { return $template_parts; } foreach ( $this->theme_json['templateParts'] as $item ) { if ( isset( $item['name'] ) ) { $template_parts[ $item['name'] ] = array( 'title' => isset( $item['title'] ) ? $item['title'] : '', 'area' => isset( $item['area'] ) ? $item['area'] : '', ); } } return $template_parts; } /** * Converts each style section into a list of rulesets * containing the block styles to be appended to the stylesheet. * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * style-property-one: value; * } * * @since 5.8.0 As `get_block_styles()`. * @since 5.9.0 Renamed from `get_block_styles()` to `get_block_classes()` * and no longer returns preset classes. * Removed the `$setting_nodes` parameter. * @since 6.1.0 Moved most internal logic to `get_styles_for_block()`. * * @param array $style_nodes Nodes with styles. * @return string The new stylesheet. */ protected function get_block_classes( $style_nodes ) { $block_rules = ''; foreach ( $style_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $block_rules .= static::get_styles_for_block( $metadata ); } return $block_rules; } /** * Gets the CSS layout rules for a particular block from theme.json layout definitions. * * @since 6.1.0 * @since 6.3.0 Reduced specificity for layout margin rules. * @since 6.5.1 Only output rules referencing content and wide sizes when values exist. * @since 6.5.3 Add types parameter to check if only base layout styles are needed. * * @param array $block_metadata Metadata about the block to get styles for. * @param array $types Optional. Types of styles to output. If empty, all styles will be output. * @return string Layout styles for the block. */ protected function get_layout_styles( $block_metadata, $types = array() ) { $block_rules = ''; $block_type = null; // Skip outputting layout styles if explicitly disabled. if ( current_theme_supports( 'disable-layout-styles' ) ) { return $block_rules; } if ( isset( $block_metadata['name'] ) ) { $block_type = WP_Block_Type_Registry::get_instance()->get_registered( $block_metadata['name'] ); if ( ! block_has_support( $block_type, 'layout', false ) && ! block_has_support( $block_type, '__experimentalLayout', false ) ) { return $block_rules; } } $selector = isset( $block_metadata['selector'] ) ? $block_metadata['selector'] : ''; $has_block_gap_support = isset( $this->theme_json['settings']['spacing']['blockGap'] ); $has_fallback_gap_support = ! $has_block_gap_support; // This setting isn't useful yet: it exists as a placeholder for a future explicit fallback gap styles support. $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); $layout_definitions = wp_get_layout_definitions(); $layout_selector_pattern = '/^[a-zA-Z0-9\-\.\ *+>:\(\)]*$/'; // Allow alphanumeric classnames, spaces, wildcard, sibling, child combinator and pseudo class selectors. /* * Gap styles will only be output if the theme has block gap support, or supports a fallback gap. * Default layout gap styles will be skipped for themes that do not explicitly opt-in to blockGap with a `true` or `false` value. */ if ( $has_block_gap_support || $has_fallback_gap_support ) { $block_gap_value = null; // Use a fallback gap value if block gap support is not available. if ( ! $has_block_gap_support ) { $block_gap_value = static::ROOT_BLOCK_SELECTOR === $selector ? '0.5em' : null; if ( ! empty( $block_type ) ) { $block_gap_value = isset( $block_type->supports['spacing']['blockGap']['__experimentalDefault'] ) ? $block_type->supports['spacing']['blockGap']['__experimentalDefault'] : null; } } else { $block_gap_value = static::get_property_value( $node, array( 'spacing', 'blockGap' ) ); } // Support split row / column values and concatenate to a shorthand value. if ( is_array( $block_gap_value ) ) { if ( isset( $block_gap_value['top'] ) && isset( $block_gap_value['left'] ) ) { $gap_row = static::get_property_value( $node, array( 'spacing', 'blockGap', 'top' ) ); $gap_column = static::get_property_value( $node, array( 'spacing', 'blockGap', 'left' ) ); $block_gap_value = $gap_row === $gap_column ? $gap_row : $gap_row . ' ' . $gap_column; } else { // Skip outputting gap value if not all sides are provided. $block_gap_value = null; } } // If the block should have custom gap, add the gap styles. if ( null !== $block_gap_value && false !== $block_gap_value && '' !== $block_gap_value ) { foreach ( $layout_definitions as $layout_definition_key => $layout_definition ) { // Allow outputting fallback gap styles for flex and grid layout types when block gap support isn't available. if ( ! $has_block_gap_support && 'flex' !== $layout_definition_key && 'grid' !== $layout_definition_key ) { continue; } $class_name = isset( $layout_definition['className'] ) ? $layout_definition['className'] : false; $spacing_rules = isset( $layout_definition['spacingStyles'] ) ? $layout_definition['spacingStyles'] : array(); if ( ! empty( $class_name ) && ! empty( $spacing_rules ) ) { foreach ( $spacing_rules as $spacing_rule ) { $declarations = array(); if ( isset( $spacing_rule['selector'] ) && preg_match( $layout_selector_pattern, $spacing_rule['selector'] ) && ! empty( $spacing_rule['rules'] ) ) { // Iterate over each of the styling rules and substitute non-string values such as `null` with the real `blockGap` value. foreach ( $spacing_rule['rules'] as $css_property => $css_value ) { $current_css_value = is_string( $css_value ) ? $css_value : $block_gap_value; if ( static::is_safe_css_declaration( $css_property, $current_css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $current_css_value, ); } } if ( ! $has_block_gap_support ) { // For fallback gap styles, use lower specificity, to ensure styles do not unintentionally override theme styles. $format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(.%2$s%3$s)' : ':where(%1$s.%2$s%3$s)'; $layout_selector = sprintf( $format, $selector, $class_name, $spacing_rule['selector'] ); } else { $format = static::ROOT_BLOCK_SELECTOR === $selector ? ':where(%s .%s) %s' : '%s-%s%s'; $layout_selector = sprintf( $format, $selector, $class_name, $spacing_rule['selector'] ); } $block_rules .= static::to_ruleset( $layout_selector, $declarations ); } } } } } } // Output base styles. if ( static::ROOT_BLOCK_SELECTOR === $selector ) { $valid_display_modes = array( 'block', 'flex', 'grid' ); foreach ( $layout_definitions as $layout_definition ) { $class_name = isset( $layout_definition['className'] ) ? $layout_definition['className'] : false; $base_style_rules = isset( $layout_definition['baseStyles'] ) ? $layout_definition['baseStyles'] : array(); if ( ! empty( $class_name ) && is_array( $base_style_rules ) ) { // Output display mode. This requires special handling as `display` is not exposed in `safe_style_css_filter`. if ( ! empty( $layout_definition['displayMode'] ) && is_string( $layout_definition['displayMode'] ) && in_array( $layout_definition['displayMode'], $valid_display_modes, true ) ) { $layout_selector = sprintf( '%s .%s', $selector, $class_name ); $block_rules .= static::to_ruleset( $layout_selector, array( array( 'name' => 'display', 'value' => $layout_definition['displayMode'], ), ) ); } foreach ( $base_style_rules as $base_style_rule ) { $declarations = array(); // Skip outputting base styles for flow and constrained layout types if theme doesn't support theme.json. The 'base-layout-styles' type flags this. if ( in_array( 'base-layout-styles', $types, true ) && ( 'default' === $layout_definition['name'] || 'constrained' === $layout_definition['name'] ) ) { continue; } if ( isset( $base_style_rule['selector'] ) && preg_match( $layout_selector_pattern, $base_style_rule['selector'] ) && ! empty( $base_style_rule['rules'] ) ) { foreach ( $base_style_rule['rules'] as $css_property => $css_value ) { // Skip rules that reference content size or wide size if they are not defined in the theme.json. if ( is_string( $css_value ) && ( str_contains( $css_value, '--global--content-size' ) || str_contains( $css_value, '--global--wide-size' ) ) && ! isset( $this->theme_json['settings']['layout']['contentSize'] ) && ! isset( $this->theme_json['settings']['layout']['wideSize'] ) ) { continue; } if ( static::is_safe_css_declaration( $css_property, $css_value ) ) { $declarations[] = array( 'name' => $css_property, 'value' => $css_value, ); } } $layout_selector = sprintf( '%s .%s%s', $selector, $class_name, $base_style_rule['selector'] ); $block_rules .= static::to_ruleset( $layout_selector, $declarations ); } } } } } return $block_rules; } /** * Creates new rulesets as classes for each preset value such as: * * .has-value-color { * color: value; * } * * .has-value-background-color { * background-color: value; * } * * .has-value-font-size { * font-size: value; * } * * .has-value-gradient-background { * background: value; * } * * p.has-value-gradient-background { * background: value; * } * * @since 5.9.0 * * @param array $setting_nodes Nodes with settings. * @param string[] $origins List of origins to process presets from. * @return string The new stylesheet. */ protected function get_preset_classes( $setting_nodes, $origins ) { $preset_rules = ''; foreach ( $setting_nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $preset_rules .= static::compute_preset_classes( $node, $selector, $origins ); } return $preset_rules; } /** * Converts each styles section into a list of rulesets * to be appended to the stylesheet. * These rulesets contain all the css variables (custom variables and preset variables). * * See glossary at https://developer.mozilla.org/en-US/docs/Web/CSS/Syntax * * For each section this creates a new ruleset such as: * * block-selector { * --wp--preset--category--slug: value; * --wp--custom--variable: value; * } * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $nodes Nodes with settings. * @param string[] $origins List of origins to process. * @return string The new stylesheet. */ protected function get_css_variables( $nodes, $origins ) { $stylesheet = ''; foreach ( $nodes as $metadata ) { if ( null === $metadata['selector'] ) { continue; } $selector = $metadata['selector']; $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); $declarations = static::compute_preset_vars( $node, $origins ); $theme_vars_declarations = static::compute_theme_vars( $node ); foreach ( $theme_vars_declarations as $theme_vars_declaration ) { $declarations[] = $theme_vars_declaration; } $stylesheet .= static::to_ruleset( $selector, $declarations ); } return $stylesheet; } /** * Given a selector and a declaration list, * creates the corresponding ruleset. * * @since 5.8.0 * * @param string $selector CSS selector. * @param array $declarations List of declarations. * @return string The resulting CSS ruleset. */ protected static function to_ruleset( $selector, $declarations ) { if ( empty( $declarations ) ) { return ''; } $declaration_block = array_reduce( $declarations, static function ( $carry, $element ) { return $carry .= $element['name'] . ': ' . $element['value'] . ';'; }, '' ); return $selector . '{' . $declaration_block . '}'; } /** * Given a settings array, returns the generated rulesets * for the preset classes. * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param string $selector Selector wrapping the classes. * @param string[] $origins List of origins to process. * @return string The result of processing the presets. */ protected static function compute_preset_classes( $settings, $selector, $origins ) { if ( static::ROOT_BLOCK_SELECTOR === $selector ) { /* * Classes at the global level do not need any CSS prefixed, * and we don't want to increase its specificity. */ $selector = ''; } $stylesheet = ''; foreach ( static::PRESETS_METADATA as $preset_metadata ) { if ( empty( $preset_metadata['classes'] ) ) { continue; } $slugs = static::get_settings_slugs( $settings, $preset_metadata, $origins ); foreach ( $preset_metadata['classes'] as $class => $property ) { foreach ( $slugs as $slug ) { $css_var = static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ); $class_name = static::replace_slug_in_string( $class, $slug ); // $selector is often empty, so we can save ourselves the `append_to_selector()` call then. $new_selector = '' === $selector ? $class_name : static::append_to_selector( $selector, $class_name ); $stylesheet .= static::to_ruleset( $new_selector, array( array( 'name' => $property, 'value' => 'var(' . $css_var . ') !important', ), ) ); } } } return $stylesheet; } /** * Function that scopes a selector with another one. This works a bit like * SCSS nesting except the `&` operator isn't supported. * * * $scope = '.a, .b .c'; * $selector = '> .x, .y'; * $merged = scope_selector( $scope, $selector ); * // $merged is '.a > .x, .a .y, .b .c > .x, .b .c .y' * * * @since 5.9.0 * * @param string $scope Selector to scope to. * @param string $selector Original selector. * @return string Scoped selector. */ public static function scope_selector( $scope, $selector ) { $scopes = explode( ',', $scope ); $selectors = explode( ',', $selector ); $selectors_scoped = array(); foreach ( $scopes as $outer ) { foreach ( $selectors as $inner ) { $outer = trim( $outer ); $inner = trim( $inner ); if ( ! empty( $outer ) && ! empty( $inner ) ) { $selectors_scoped[] = $outer . ' ' . $inner; } elseif ( empty( $outer ) ) { $selectors_scoped[] = $inner; } elseif ( empty( $inner ) ) { $selectors_scoped[] = $outer; } } } $result = implode( ', ', $selectors_scoped ); return $result; } /** * Gets preset values keyed by slugs based on settings and metadata. * * * $settings = array( * 'typography' => array( * 'fontFamilies' => array( * array( * 'slug' => 'sansSerif', * 'fontFamily' => '"Helvetica Neue", sans-serif', * ), * array( * 'slug' => 'serif', * 'colors' => 'Georgia, serif', * ) * ), * ), * ); * $meta = array( * 'path' => array( 'typography', 'fontFamilies' ), * 'value_key' => 'fontFamily', * ); * $values_by_slug = get_settings_values_by_slug(); * // $values_by_slug === array( * // 'sans-serif' => '"Helvetica Neue", sans-serif', * // 'serif' => 'Georgia, serif', * // ); * * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param string[] $origins List of origins to process. * @return array Array of presets where each key is a slug and each value is the preset value. */ protected static function get_settings_values_by_slug( $settings, $preset_metadata, $origins ) { $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); $value = ''; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value_key = $preset_metadata['value_key']; $value = $preset[ $value_key ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value_func = $preset_metadata['value_func']; $value = call_user_func( $value_func, $preset ); } else { // If we don't have a value, then don't add it to the result. continue; } $result[ $slug ] = $value; } } return $result; } /** * Similar to get_settings_values_by_slug, but doesn't compute the value. * * @since 5.9.0 * * @param array $settings Settings to process. * @param array $preset_metadata One of the PRESETS_METADATA values. * @param string[] $origins List of origins to process. * @return array Array of presets where the key and value are both the slug. */ protected static function get_settings_slugs( $settings, $preset_metadata, $origins = null ) { if ( null === $origins ) { $origins = static::VALID_ORIGINS; } $preset_per_origin = _wp_array_get( $settings, $preset_metadata['path'], array() ); $result = array(); foreach ( $origins as $origin ) { if ( ! isset( $preset_per_origin[ $origin ] ) ) { continue; } foreach ( $preset_per_origin[ $origin ] as $preset ) { $slug = _wp_to_kebab_case( $preset['slug'] ); // Use the array as a set so we don't get duplicates. $result[ $slug ] = $slug; } } return $result; } /** * Transforms a slug into a CSS Custom Property. * * @since 5.9.0 * * @param string $input String to replace. * @param string $slug The slug value to use to generate the custom property. * @return string The CSS Custom Property. Something along the lines of `--wp--preset--color--black`. */ protected static function replace_slug_in_string( $input, $slug ) { return strtr( $input, array( '$slug' => $slug ) ); } /** * Given the block settings, extracts the CSS Custom Properties * for the presets and adds them to the $declarations array * following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$origins` parameter. * * @param array $settings Settings to process. * @param string[] $origins List of origins to process. * @return array The modified $declarations. */ protected static function compute_preset_vars( $settings, $origins ) { $declarations = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { if ( empty( $preset_metadata['css_vars'] ) ) { continue; } $values_by_slug = static::get_settings_values_by_slug( $settings, $preset_metadata, $origins ); foreach ( $values_by_slug as $slug => $value ) { $declarations[] = array( 'name' => static::replace_slug_in_string( $preset_metadata['css_vars'], $slug ), 'value' => $value, ); } } return $declarations; } /** * Given an array of settings, extracts the CSS Custom Properties * for the custom values and adds them to the $declarations * array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * * @param array $settings Settings to process. * @return array The modified $declarations. */ protected static function compute_theme_vars( $settings ) { $declarations = array(); $custom_values = isset( $settings['custom'] ) ? $settings['custom'] : array(); $css_vars = static::flatten_tree( $custom_values ); foreach ( $css_vars as $key => $value ) { $declarations[] = array( 'name' => '--wp--custom--' . $key, 'value' => $value, ); } return $declarations; } /** * Given a tree, it creates a flattened one * by merging the keys and binding the leaf values * to the new keys. * * It also transforms camelCase names into kebab-case * and substitutes '/' by '-'. * * This is thought to be useful to generate * CSS Custom Properties from a tree, * although there's nothing in the implementation * of this function that requires that format. * * For example, assuming the given prefix is '--wp' * and the token is '--', for this input tree: * * { * 'some/property': 'value', * 'nestedProperty': { * 'sub-property': 'value' * } * } * * it'll return this output: * * { * '--wp--some-property': 'value', * '--wp--nested-property--sub-property': 'value' * } * * @since 5.8.0 * * @param array $tree Input tree to process. * @param string $prefix Optional. Prefix to prepend to each variable. Default empty string. * @param string $token Optional. Token to use between levels. Default '--'. * @return array The flattened tree. */ protected static function flatten_tree( $tree, $prefix = '', $token = '--' ) { $result = array(); foreach ( $tree as $property => $value ) { $new_key = $prefix . str_replace( '/', '-', strtolower( _wp_to_kebab_case( $property ) ) ); if ( is_array( $value ) ) { $new_prefix = $new_key . $token; $flattened_subtree = static::flatten_tree( $value, $new_prefix, $token ); foreach ( $flattened_subtree as $subtree_key => $subtree_value ) { $result[ $subtree_key ] = $subtree_value; } } else { $result[ $new_key ] = $value; } } return $result; } /** * Given a styles array, it extracts the style properties * and adds them to the $declarations array following the format: * * array( * 'name' => 'property_name', * 'value' => 'property_value, * ) * * @since 5.8.0 * @since 5.9.0 Added the `$settings` and `$properties` parameters. * @since 6.1.0 Added `$theme_json`, `$selector`, and `$use_root_padding` parameters. * @since 6.5.0 Output a `min-height: unset` rule when `aspect-ratio` is set. * * @param array $styles Styles to process. * @param array $settings Theme settings. * @param array $properties Properties metadata. * @param array $theme_json Theme JSON array. * @param string $selector The style block selector. * @param boolean $use_root_padding Whether to add custom properties at root level. * @return array Returns the modified $declarations. */ protected static function compute_style_properties( $styles, $settings = array(), $properties = null, $theme_json = null, $selector = null, $use_root_padding = null ) { if ( null === $properties ) { $properties = static::PROPERTIES_METADATA; } $declarations = array(); if ( empty( $styles ) ) { return $declarations; } $root_variable_duplicates = array(); foreach ( $properties as $css_property => $value_path ) { $value = static::get_property_value( $styles, $value_path, $theme_json ); if ( str_starts_with( $css_property, '--wp--style--root--' ) && ( static::ROOT_BLOCK_SELECTOR !== $selector || ! $use_root_padding ) ) { continue; } /* * Root-level padding styles don't currently support strings with CSS shorthand values. * This may change: https://github.com/WordPress/gutenberg/issues/40132. */ if ( '--wp--style--root--padding' === $css_property && is_string( $value ) ) { continue; } if ( str_starts_with( $css_property, '--wp--style--root--' ) && $use_root_padding ) { $root_variable_duplicates[] = substr( $css_property, strlen( '--wp--style--root--' ) ); } /* * Look up protected properties, keyed by value path. * Skip protected properties that are explicitly set to `null`. */ if ( is_array( $value_path ) ) { $path_string = implode( '.', $value_path ); if ( isset( static::PROTECTED_PROPERTIES[ $path_string ] ) && _wp_array_get( $settings, static::PROTECTED_PROPERTIES[ $path_string ], null ) === null ) { continue; } } // Skip if empty and not "0" or value represents array of longhand values. $has_missing_value = empty( $value ) && ! is_numeric( $value ); if ( $has_missing_value || is_array( $value ) ) { continue; } // Calculates fluid typography rules where available. if ( 'font-size' === $css_property ) { /* * wp_get_typography_font_size_value() will check * if fluid typography has been activated and also * whether the incoming value can be converted to a fluid value. * Values that already have a clamp() function will not pass the test, * and therefore the original $value will be returned. */ $value = wp_get_typography_font_size_value( array( 'size' => $value ) ); } if ( 'aspect-ratio' === $css_property ) { // For aspect ratio to work, other dimensions rules must be unset. // This ensures that a fixed height does not override the aspect ratio. $declarations[] = array( 'name' => 'min-height', 'value' => 'unset', ); } $declarations[] = array( 'name' => $css_property, 'value' => $value, ); } // If a variable value is added to the root, the corresponding property should be removed. foreach ( $root_variable_duplicates as $duplicate ) { $discard = array_search( $duplicate, array_column( $declarations, 'name' ), true ); if ( is_numeric( $discard ) ) { array_splice( $declarations, $discard, 1 ); } } return $declarations; } /** * Returns the style property for the given path. * * It also converts references to a path to the value * stored at that location, e.g. * { "ref": "style.color.background" } => "#fff". * * @since 5.8.0 * @since 5.9.0 Added support for values of array type, which are returned as is. * @since 6.1.0 Added the `$theme_json` parameter. * @since 6.3.0 It no longer converts the internal format "var:preset|color|secondary" * to the standard form "--wp--preset--color--secondary". * This is already done by the sanitize method, * so every property will be in the standard form. * * @param array $styles Styles subtree. * @param array $path Which property to process. * @param array $theme_json Theme JSON array. * @return string|array Style property value. */ protected static function get_property_value( $styles, $path, $theme_json = null ) { $value = _wp_array_get( $styles, $path, '' ); if ( '' === $value || null === $value ) { // No need to process the value further. return ''; } /* * This converts references to a path to the value at that path * where the values is an array with a "ref" key, pointing to a path. * For example: { "ref": "style.color.background" } => "#fff". */ if ( is_array( $value ) && isset( $value['ref'] ) ) { $value_path = explode( '.', $value['ref'] ); $ref_value = _wp_array_get( $theme_json, $value_path ); // Only use the ref value if we find anything. if ( ! empty( $ref_value ) && is_string( $ref_value ) ) { $value = $ref_value; } if ( is_array( $ref_value ) && isset( $ref_value['ref'] ) ) { $path_string = json_encode( $path ); $ref_value_string = json_encode( $ref_value ); _doing_it_wrong( 'get_property_value', sprintf( /* translators: 1: theme.json, 2: Value name, 3: Value path, 4: Another value name. */ __( 'Your %1$s file uses a dynamic value (%2$s) for the path at %3$s. However, the value at %3$s is also a dynamic value (pointing to %4$s) and pointing to another dynamic value is not supported. Please update %3$s to point directly to %4$s.' ), 'theme.json', $ref_value_string, $path_string, $ref_value['ref'] ), '6.1.0' ); } } if ( is_array( $value ) ) { return $value; } return $value; } /** * Builds metadata for the setting nodes, which returns in the form of: * * [ * [ * 'path' => ['path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node' * ], * [ * 'path' => [ 'path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node' * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract setting nodes from. * @param array $selectors List of selectors per block. * @return array An array of setting nodes metadata. */ protected static function get_setting_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['settings'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'settings' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); // Calculate paths for blocks. if ( ! isset( $theme_json['settings']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['settings']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $nodes[] = array( 'path' => array( 'settings', 'blocks', $name ), 'selector' => $selector, ); } return $nodes; } /** * Builds metadata for the style nodes, which returns in the form of: * * [ * [ * 'path' => [ 'path', 'to', 'some', 'node' ], * 'selector' => 'CSS selector for some node', * 'duotone' => 'CSS selector for duotone for some node' * ], * [ * 'path' => ['path', 'to', 'other', 'node' ], * 'selector' => 'CSS selector for other node', * 'duotone' => null * ], * ] * * @since 5.8.0 * * @param array $theme_json The tree to extract style nodes from. * @param array $selectors List of selectors per block. * @return array An array of style nodes metadata. */ protected static function get_style_nodes( $theme_json, $selectors = array() ) { $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Top-level. $nodes[] = array( 'path' => array( 'styles' ), 'selector' => static::ROOT_BLOCK_SELECTOR, ); if ( isset( $theme_json['styles']['elements'] ) ) { foreach ( self::ELEMENTS as $element => $selector ) { if ( ! isset( $theme_json['styles']['elements'][ $element ] ) ) { continue; } $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::ELEMENTS[ $element ], ); // Handle any pseudo selectors for the element. if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { if ( isset( $theme_json['styles']['elements'][ $element ][ $pseudo_selector ] ) ) { $nodes[] = array( 'path' => array( 'styles', 'elements', $element ), 'selector' => static::append_to_selector( static::ELEMENTS[ $element ], $pseudo_selector ), ); } } } } } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } $block_nodes = static::get_block_nodes( $theme_json ); foreach ( $block_nodes as $block_node ) { $nodes[] = $block_node; } /** * Filters the list of style nodes with metadata. * * This allows for things like loading block CSS independently. * * @since 6.1.0 * * @param array $nodes Style nodes with metadata. */ return apply_filters( 'wp_theme_json_get_style_nodes', $nodes ); } /** * A public helper to get the block nodes from a theme.json file. * * @since 6.1.0 * * @return array The block nodes in theme.json. */ public function get_styles_block_nodes() { return static::get_block_nodes( $this->theme_json ); } /** * Returns a filtered declarations array if there is a separator block with only a background * style defined in theme.json by adding a color attribute to reflect the changes in the front. * * @since 6.1.1 * * @param array $declarations List of declarations. * @return array $declarations List of declarations filtered. */ private static function update_separator_declarations( $declarations ) { $background_color = ''; $border_color_matches = false; $text_color_matches = false; foreach ( $declarations as $declaration ) { if ( 'background-color' === $declaration['name'] && ! $background_color && isset( $declaration['value'] ) ) { $background_color = $declaration['value']; } elseif ( 'border-color' === $declaration['name'] ) { $border_color_matches = true; } elseif ( 'color' === $declaration['name'] ) { $text_color_matches = true; } if ( $background_color && $border_color_matches && $text_color_matches ) { break; } } if ( $background_color && ! $border_color_matches && ! $text_color_matches ) { $declarations[] = array( 'name' => 'color', 'value' => $background_color, ); } return $declarations; } /** * An internal method to get the block nodes from a theme.json file. * * @since 6.1.0 * @since 6.3.0 Refactored and stabilized selectors API. * * @param array $theme_json The theme.json converted to an array. * @return array The block nodes in theme.json. */ private static function get_block_nodes( $theme_json ) { $selectors = static::get_blocks_metadata(); $nodes = array(); if ( ! isset( $theme_json['styles'] ) ) { return $nodes; } // Blocks. if ( ! isset( $theme_json['styles']['blocks'] ) ) { return $nodes; } foreach ( $theme_json['styles']['blocks'] as $name => $node ) { $selector = null; if ( isset( $selectors[ $name ]['selector'] ) ) { $selector = $selectors[ $name ]['selector']; } $duotone_selector = null; if ( isset( $selectors[ $name ]['duotone'] ) ) { $duotone_selector = $selectors[ $name ]['duotone']; } $feature_selectors = null; if ( isset( $selectors[ $name ]['selectors'] ) ) { $feature_selectors = $selectors[ $name ]['selectors']; } $variation_selectors = array(); if ( isset( $node['variations'] ) ) { foreach ( $node['variations'] as $variation => $node ) { $variation_selectors[] = array( 'path' => array( 'styles', 'blocks', $name, 'variations', $variation ), 'selector' => $selectors[ $name ]['styleVariations'][ $variation ], ); } } $nodes[] = array( 'name' => $name, 'path' => array( 'styles', 'blocks', $name ), 'selector' => $selector, 'selectors' => $feature_selectors, 'duotone' => $duotone_selector, 'features' => $feature_selectors, 'variations' => $variation_selectors, ); if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'] ) ) { foreach ( $theme_json['styles']['blocks'][ $name ]['elements'] as $element => $node ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => $selectors[ $name ]['elements'][ $element ], ); // Handle any pseudo selectors for the element. if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $element ] as $pseudo_selector ) { if ( isset( $theme_json['styles']['blocks'][ $name ]['elements'][ $element ][ $pseudo_selector ] ) ) { $nodes[] = array( 'path' => array( 'styles', 'blocks', $name, 'elements', $element ), 'selector' => static::append_to_selector( $selectors[ $name ]['elements'][ $element ], $pseudo_selector ), ); } } } } } } return $nodes; } /** * Gets the CSS rules for a particular block from theme.json. * * @since 6.1.0 * * @param array $block_metadata Metadata about the block to get styles for. * * @return string Styles for the block. */ public function get_styles_for_block( $block_metadata ) { $node = _wp_array_get( $this->theme_json, $block_metadata['path'], array() ); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; $selector = $block_metadata['selector']; $settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array(); $feature_declarations = static::get_feature_declarations_for_node( $block_metadata, $node ); // If there are style variations, generate the declarations for them, including any feature selectors the block may have. $style_variation_declarations = array(); if ( ! empty( $block_metadata['variations'] ) ) { foreach ( $block_metadata['variations'] as $style_variation ) { $style_variation_node = _wp_array_get( $this->theme_json, $style_variation['path'], array() ); $clean_style_variation_selector = trim( $style_variation['selector'] ); // Generate any feature/subfeature style declarations for the current style variation. $variation_declarations = static::get_feature_declarations_for_node( $block_metadata, $style_variation_node ); // Combine selectors with style variation's selector and add to overall style variation declarations. foreach ( $variation_declarations as $current_selector => $new_declarations ) { // If current selector includes block classname, remove it but leave the whitespace in. $shortened_selector = str_replace( $block_metadata['selector'] . ' ', ' ', $current_selector ); // Prepend the variation selector to the current selector. $split_selectors = explode( ',', $shortened_selector ); $updated_selectors = array_map( static function ( $split_selector ) use ( $clean_style_variation_selector ) { return $clean_style_variation_selector . $split_selector; }, $split_selectors ); $combined_selectors = implode( ',', $updated_selectors ); // Add the new declarations to the overall results under the modified selector. $style_variation_declarations[ $combined_selectors ] = $new_declarations; } // Compute declarations for remaining styles not covered by feature level selectors. $style_variation_declarations[ $style_variation['selector'] ] = static::compute_style_properties( $style_variation_node, $settings, null, $this->theme_json ); } } /* * Get a reference to element name from path. * $block_metadata['path'] = array( 'styles','elements','link' ); * Make sure that $block_metadata['path'] describes an element node, like [ 'styles', 'element', 'link' ]. * Skip non-element paths like just ['styles']. */ $is_processing_element = in_array( 'elements', $block_metadata['path'], true ); $current_element = $is_processing_element ? $block_metadata['path'][ count( $block_metadata['path'] ) - 1 ] : null; $element_pseudo_allowed = array(); if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) ) { $element_pseudo_allowed = static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ]; } /* * Check for allowed pseudo classes (e.g. ":hover") from the $selector ("a:hover"). * This also resets the array keys. */ $pseudo_matches = array_values( array_filter( $element_pseudo_allowed, static function ( $pseudo_selector ) use ( $selector ) { return str_contains( $selector, $pseudo_selector ); } ) ); $pseudo_selector = isset( $pseudo_matches[0] ) ? $pseudo_matches[0] : null; /* * If the current selector is a pseudo selector that's defined in the allow list for the current * element then compute the style properties for it. * Otherwise just compute the styles for the default selector as normal. */ if ( $pseudo_selector && isset( $node[ $pseudo_selector ] ) && isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) && in_array( $pseudo_selector, static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ], true ) ) { $declarations = static::compute_style_properties( $node[ $pseudo_selector ], $settings, null, $this->theme_json, $selector, $use_root_padding ); } else { $declarations = static::compute_style_properties( $node, $settings, null, $this->theme_json, $selector, $use_root_padding ); } $block_rules = ''; /* * 1. Separate the declarations that use the general selector * from the ones using the duotone selector. */ $declarations_duotone = array(); foreach ( $declarations as $index => $declaration ) { if ( 'filter' === $declaration['name'] ) { unset( $declarations[ $index ] ); $declarations_duotone[] = $declaration; } } // Update declarations if there are separators with only background color defined. if ( '.wp-block-separator' === $selector ) { $declarations = static::update_separator_declarations( $declarations ); } // 2. Generate and append the rules that use the general selector. $block_rules .= static::to_ruleset( $selector, $declarations ); // 3. Generate and append the rules that use the duotone selector. if ( isset( $block_metadata['duotone'] ) && ! empty( $declarations_duotone ) ) { $block_rules .= static::to_ruleset( $block_metadata['duotone'], $declarations_duotone ); } // 4. Generate Layout block gap styles. if ( static::ROOT_BLOCK_SELECTOR !== $selector && ! empty( $block_metadata['name'] ) ) { $block_rules .= $this->get_layout_styles( $block_metadata ); } // 5. Generate and append the feature level rulesets. foreach ( $feature_declarations as $feature_selector => $individual_feature_declarations ) { $block_rules .= static::to_ruleset( $feature_selector, $individual_feature_declarations ); } // 6. Generate and append the style variation rulesets. foreach ( $style_variation_declarations as $style_variation_selector => $individual_style_variation_declarations ) { $block_rules .= static::to_ruleset( $style_variation_selector, $individual_style_variation_declarations ); } return $block_rules; } /** * Outputs the CSS for layout rules on the root. * * @since 6.1.0 * * @param string $selector The root node selector. * @param array $block_metadata The metadata for the root block. * @return string The additional root rules CSS. */ public function get_root_layout_rules( $selector, $block_metadata ) { $css = ''; $settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array(); $use_root_padding = isset( $this->theme_json['settings']['useRootPaddingAwareAlignments'] ) && true === $this->theme_json['settings']['useRootPaddingAwareAlignments']; /* * Reset default browser margin on the root body element. * This is set on the root selector **before** generating the ruleset * from the `theme.json`. This is to ensure that if the `theme.json` declares * `margin` in its `spacing` declaration for the `body` element then these * user-generated values take precedence in the CSS cascade. * @link https://github.com/WordPress/gutenberg/issues/36147. */ $css .= 'body { margin: 0;'; /* * If there are content and wide widths in theme.json, output them * as custom properties on the body element so all blocks can use them. */ if ( isset( $settings['layout']['contentSize'] ) || isset( $settings['layout']['wideSize'] ) ) { $content_size = isset( $settings['layout']['contentSize'] ) ? $settings['layout']['contentSize'] : $settings['layout']['wideSize']; $content_size = static::is_safe_css_declaration( 'max-width', $content_size ) ? $content_size : 'initial'; $wide_size = isset( $settings['layout']['wideSize'] ) ? $settings['layout']['wideSize'] : $settings['layout']['contentSize']; $wide_size = static::is_safe_css_declaration( 'max-width', $wide_size ) ? $wide_size : 'initial'; $css .= '--wp--style--global--content-size: ' . $content_size . ';'; $css .= '--wp--style--global--wide-size: ' . $wide_size . ';'; } $css .= ' }'; if ( $use_root_padding ) { // Top and bottom padding are applied to the outer block container. $css .= '.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }'; // Right and left padding are applied to the first container with `.has-global-padding` class. $css .= '.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }'; // Nested containers with `.has-global-padding` class do not get padding. $css .= '.has-global-padding :where(.has-global-padding:not(.wp-block-block)) { padding-right: 0; padding-left: 0; }'; // Alignfull children of the container with left and right padding have negative margins so they can still be full width. $css .= '.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }'; // The above rule is negated for alignfull children of nested containers. $css .= '.has-global-padding :where(.has-global-padding:not(.wp-block-block)) > .alignfull { margin-right: 0; margin-left: 0; }'; // Some of the children of alignfull blocks without content width should also get padding: text blocks and non-alignfull container blocks. $css .= '.has-global-padding > .alignfull:where(:not(.has-global-padding):not(.is-layout-flex):not(.is-layout-grid)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }'; // The above rule also has to be negated for blocks inside nested `.has-global-padding` blocks. $css .= '.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }'; } $css .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }'; $css .= '.wp-site-blocks > .alignright { float: right; margin-left: 2em; }'; $css .= '.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }'; $block_gap_value = isset( $this->theme_json['styles']['spacing']['blockGap'] ) ? $this->theme_json['styles']['spacing']['blockGap'] : '0.5em'; $has_block_gap_support = isset( $this->theme_json['settings']['spacing']['blockGap'] ); if ( $has_block_gap_support ) { $block_gap_value = static::get_property_value( $this->theme_json, array( 'styles', 'spacing', 'blockGap' ) ); $css .= ":where(.wp-site-blocks) > * { margin-block-start: $block_gap_value; margin-block-end: 0; }"; $css .= ':where(.wp-site-blocks) > :first-child:first-child { margin-block-start: 0; }'; $css .= ':where(.wp-site-blocks) > :last-child:last-child { margin-block-end: 0; }'; // For backwards compatibility, ensure the legacy block gap CSS variable is still available. $css .= "$selector { --wp--style--block-gap: $block_gap_value; }"; } $css .= $this->get_layout_styles( $block_metadata ); return $css; } /** * For metadata values that can either be booleans or paths to booleans, gets the value. * * $data = array( * 'color' => array( * 'defaultPalette' => true * ) * ); * * static::get_metadata_boolean( $data, false ); * // => false * * static::get_metadata_boolean( $data, array( 'color', 'defaultPalette' ) ); * // => true * * @since 6.0.0 * * @param array $data The data to inspect. * @param bool|array $path Boolean or path to a boolean. * @param bool $default_value Default value if the referenced path is missing. * Default false. * @return bool Value of boolean metadata. */ protected static function get_metadata_boolean( $data, $path, $default_value = false ) { if ( is_bool( $path ) ) { return $path; } if ( is_array( $path ) ) { $value = _wp_array_get( $data, $path ); if ( null !== $value ) { return $value; } } return $default_value; } /** * Merges new incoming data. * * @since 5.8.0 * @since 5.9.0 Duotone preset also has origins. * * @param WP_Theme_JSON $incoming Data to merge. */ public function merge( $incoming ) { $incoming_data = $incoming->get_raw_data(); $this->theme_json = array_replace_recursive( $this->theme_json, $incoming_data ); /* * The array_replace_recursive algorithm merges at the leaf level, * but we don't want leaf arrays to be merged, so we overwrite it. * * For leaf values that are sequential arrays it will use the numeric indexes for replacement. * We rather replace the existing with the incoming value, if it exists. * This is the case of spacing.units. * * For leaf values that are associative arrays it will merge them as expected. * This is also not the behavior we want for the current associative arrays (presets). * We rather replace the existing with the incoming value, if it exists. * This happens, for example, when we merge data from theme.json upon existing * theme supports or when we merge anything coming from the same source twice. * This is the case of color.palette, color.gradients, color.duotone, * typography.fontSizes, or typography.fontFamilies. * * Additionally, for some preset types, we also want to make sure the * values they introduce don't conflict with default values. We do so * by checking the incoming slugs for theme presets and compare them * with the equivalent default presets: if a slug is present as a default * we remove it from the theme presets. */ $nodes = static::get_setting_nodes( $incoming_data ); $slugs_global = static::get_default_slugs( $this->theme_json, array( 'settings' ) ); foreach ( $nodes as $node ) { // Replace the spacing.units. $path = $node['path']; $path[] = 'spacing'; $path[] = 'units'; $content = _wp_array_get( $incoming_data, $path, null ); if ( isset( $content ) ) { _wp_array_set( $this->theme_json, $path, $content ); } // Replace the presets. foreach ( static::PRESETS_METADATA as $preset ) { $override_preset = ! static::get_metadata_boolean( $this->theme_json['settings'], $preset['prevent_override'], true ); foreach ( static::VALID_ORIGINS as $origin ) { $base_path = $node['path']; foreach ( $preset['path'] as $leaf ) { $base_path[] = $leaf; } $path = $base_path; $path[] = $origin; $content = _wp_array_get( $incoming_data, $path, null ); if ( ! isset( $content ) ) { continue; } if ( 'theme' === $origin && $preset['use_default_names'] ) { foreach ( $content as $key => $item ) { if ( ! isset( $item['name'] ) ) { $name = static::get_name_from_defaults( $item['slug'], $base_path ); if ( null !== $name ) { $content[ $key ]['name'] = $name; } } } } if ( ( 'theme' !== $origin ) || ( 'theme' === $origin && $override_preset ) ) { _wp_array_set( $this->theme_json, $path, $content ); } else { $slugs_node = static::get_default_slugs( $this->theme_json, $node['path'] ); $slugs = array_merge_recursive( $slugs_global, $slugs_node ); $slugs_for_preset = _wp_array_get( $slugs, $preset['path'], array() ); $content = static::filter_slugs( $content, $slugs_for_preset ); _wp_array_set( $this->theme_json, $path, $content ); } } } } } /** * Converts all filter (duotone) presets into SVGs. * * @since 5.9.1 * * @param array $origins List of origins to process. * @return string SVG filters. */ public function get_svg_filters( $origins ) { $blocks_metadata = static::get_blocks_metadata(); $setting_nodes = static::get_setting_nodes( $this->theme_json, $blocks_metadata ); $filters = ''; foreach ( $setting_nodes as $metadata ) { $node = _wp_array_get( $this->theme_json, $metadata['path'], array() ); if ( empty( $node['color']['duotone'] ) ) { continue; } $duotone_presets = $node['color']['duotone']; foreach ( $origins as $origin ) { if ( ! isset( $duotone_presets[ $origin ] ) ) { continue; } foreach ( $duotone_presets[ $origin ] as $duotone_preset ) { $filters .= wp_get_duotone_filter_svg( $duotone_preset ); } } } return $filters; } /** * Determines whether a presets should be overridden or not. * * @since 5.9.0 * @deprecated 6.0.0 Use {@see 'get_metadata_boolean'} instead. * * @param array $theme_json The theme.json like structure to inspect. * @param array $path Path to inspect. * @param bool|array $override Data to compute whether to override the preset. * @return bool */ protected static function should_override_preset( $theme_json, $path, $override ) { _deprecated_function( __METHOD__, '6.0.0', 'get_metadata_boolean' ); if ( is_bool( $override ) ) { return $override; } /* * The relationship between whether to override the defaults * and whether the defaults are enabled is inverse: * * - If defaults are enabled => theme presets should not be overridden * - If defaults are disabled => theme presets should be overridden * * For example, a theme sets defaultPalette to false, * making the default palette hidden from the user. * In that case, we want all the theme presets to be present, * so they should override the defaults. */ if ( is_array( $override ) ) { $value = _wp_array_get( $theme_json, array_merge( $path, $override ) ); if ( isset( $value ) ) { return ! $value; } // Search the top-level key if none was found for this node. $value = _wp_array_get( $theme_json, array_merge( array( 'settings' ), $override ) ); if ( isset( $value ) ) { return ! $value; } return true; } } /** * Returns the default slugs for all the presets in an associative array * whose keys are the preset paths and the leafs is the list of slugs. * * For example: * * array( * 'color' => array( * 'palette' => array( 'slug-1', 'slug-2' ), * 'gradients' => array( 'slug-3', 'slug-4' ), * ), * ) * * @since 5.9.0 * * @param array $data A theme.json like structure. * @param array $node_path The path to inspect. It's 'settings' by default. * @return array */ protected static function get_default_slugs( $data, $node_path ) { $slugs = array(); foreach ( static::PRESETS_METADATA as $metadata ) { $path = $node_path; foreach ( $metadata['path'] as $leaf ) { $path[] = $leaf; } $path[] = 'default'; $preset = _wp_array_get( $data, $path, null ); if ( ! isset( $preset ) ) { continue; } $slugs_for_preset = array(); foreach ( $preset as $item ) { if ( isset( $item['slug'] ) ) { $slugs_for_preset[] = $item['slug']; } } _wp_array_set( $slugs, $metadata['path'], $slugs_for_preset ); } return $slugs; } /** * Gets a `default`'s preset name by a provided slug. * * @since 5.9.0 * * @param string $slug The slug we want to find a match from default presets. * @param array $base_path The path to inspect. It's 'settings' by default. * @return string|null */ protected function get_name_from_defaults( $slug, $base_path ) { $path = $base_path; $path[] = 'default'; $default_content = _wp_array_get( $this->theme_json, $path, null ); if ( ! $default_content ) { return null; } foreach ( $default_content as $item ) { if ( $slug === $item['slug'] ) { return $item['name']; } } return null; } /** * Removes the preset values whose slug is equal to any of given slugs. * * @since 5.9.0 * * @param array $node The node with the presets to validate. * @param array $slugs The slugs that should not be overridden. * @return array The new node. */ protected static function filter_slugs( $node, $slugs ) { if ( empty( $slugs ) ) { return $node; } $new_node = array(); foreach ( $node as $value ) { if ( isset( $value['slug'] ) && ! in_array( $value['slug'], $slugs, true ) ) { $new_node[] = $value; } } return $new_node; } /** * Removes insecure data from theme.json. * * @since 5.9.0 * @since 6.3.2 Preserves global styles block variations when securing styles. * * @param array $theme_json Structure to sanitize. * @return array Sanitized structure. */ public static function remove_insecure_properties( $theme_json ) { $sanitized = array(); $theme_json = WP_Theme_JSON_Schema::migrate( $theme_json ); $valid_block_names = array_keys( static::get_blocks_metadata() ); $valid_element_names = array_keys( static::ELEMENTS ); $valid_variations = array(); foreach ( self::get_blocks_metadata() as $block_name => $block_meta ) { if ( ! isset( $block_meta['styleVariations'] ) ) { continue; } $valid_variations[ $block_name ] = array_keys( $block_meta['styleVariations'] ); } $theme_json = static::sanitize( $theme_json, $valid_block_names, $valid_element_names, $valid_variations ); $blocks_metadata = static::get_blocks_metadata(); $style_nodes = static::get_style_nodes( $theme_json, $blocks_metadata ); foreach ( $style_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } // The global styles custom CSS is not sanitized, but can only be edited by users with 'edit_css' capability. if ( isset( $input['css'] ) && current_user_can( 'edit_css' ) ) { $output = $input; } else { $output = static::remove_insecure_styles( $input ); } /* * Get a reference to element name from path. * $metadata['path'] = array( 'styles', 'elements', 'link' ); */ $current_element = $metadata['path'][ count( $metadata['path'] ) - 1 ]; /* * $output is stripped of pseudo selectors. Re-add and process them * or insecure styles here. */ if ( isset( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] ) ) { foreach ( static::VALID_ELEMENT_PSEUDO_SELECTORS[ $current_element ] as $pseudo_selector ) { if ( isset( $input[ $pseudo_selector ] ) ) { $output[ $pseudo_selector ] = static::remove_insecure_styles( $input[ $pseudo_selector ] ); } } } if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } if ( isset( $metadata['variations'] ) ) { foreach ( $metadata['variations'] as $variation ) { $variation_input = _wp_array_get( $theme_json, $variation['path'], array() ); if ( empty( $variation_input ) ) { continue; } $variation_output = static::remove_insecure_styles( $variation_input ); if ( ! empty( $variation_output ) ) { _wp_array_set( $sanitized, $variation['path'], $variation_output ); } } } } $setting_nodes = static::get_setting_nodes( $theme_json ); foreach ( $setting_nodes as $metadata ) { $input = _wp_array_get( $theme_json, $metadata['path'], array() ); if ( empty( $input ) ) { continue; } $output = static::remove_insecure_settings( $input ); if ( ! empty( $output ) ) { _wp_array_set( $sanitized, $metadata['path'], $output ); } } if ( empty( $sanitized['styles'] ) ) { unset( $theme_json['styles'] ); } else { $theme_json['styles'] = $sanitized['styles']; } if ( empty( $sanitized['settings'] ) ) { unset( $theme_json['settings'] ); } else { $theme_json['settings'] = $sanitized['settings']; } return $theme_json; } /** * Processes a setting node and returns the same node * without the insecure settings. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_settings( $input ) { $output = array(); foreach ( static::PRESETS_METADATA as $preset_metadata ) { foreach ( static::VALID_ORIGINS as $origin ) { $path_with_origin = $preset_metadata['path']; $path_with_origin[] = $origin; $presets = _wp_array_get( $input, $path_with_origin, null ); if ( null === $presets ) { continue; } $escaped_preset = array(); foreach ( $presets as $preset ) { if ( esc_attr( esc_html( $preset['name'] ) ) === $preset['name'] && sanitize_html_class( $preset['slug'] ) === $preset['slug'] ) { $value = null; if ( isset( $preset_metadata['value_key'], $preset[ $preset_metadata['value_key'] ] ) ) { $value = $preset[ $preset_metadata['value_key'] ]; } elseif ( isset( $preset_metadata['value_func'] ) && is_callable( $preset_metadata['value_func'] ) ) { $value = call_user_func( $preset_metadata['value_func'], $preset ); } $preset_is_valid = true; foreach ( $preset_metadata['properties'] as $property ) { if ( ! static::is_safe_css_declaration( $property, $value ) ) { $preset_is_valid = false; break; } } if ( $preset_is_valid ) { $escaped_preset[] = $preset; } } } if ( ! empty( $escaped_preset ) ) { _wp_array_set( $output, $path_with_origin, $escaped_preset ); } } } // Ensure indirect properties not included in any `PRESETS_METADATA` value are allowed. static::remove_indirect_properties( $input, $output ); return $output; } /** * Processes a style node and returns the same node * without the insecure styles. * * @since 5.9.0 * * @param array $input Node to process. * @return array */ protected static function remove_insecure_styles( $input ) { $output = array(); $declarations = static::compute_style_properties( $input ); foreach ( $declarations as $declaration ) { if ( static::is_safe_css_declaration( $declaration['name'], $declaration['value'] ) ) { $path = static::PROPERTIES_METADATA[ $declaration['name'] ]; /* * Check the value isn't an array before adding so as to not * double up shorthand and longhand styles. */ $value = _wp_array_get( $input, $path, array() ); if ( ! is_array( $value ) ) { _wp_array_set( $output, $path, $value ); } } } // Ensure indirect properties not handled by `compute_style_properties` are allowed. static::remove_indirect_properties( $input, $output ); return $output; } /** * Checks that a declaration provided by the user is safe. * * @since 5.9.0 * * @param string $property_name Property name in a CSS declaration, i.e. the `color` in `color: red`. * @param string $property_value Value in a CSS declaration, i.e. the `red` in `color: red`. * @return bool */ protected static function is_safe_css_declaration( $property_name, $property_value ) { $style_to_validate = $property_name . ': ' . $property_value; $filtered = esc_html( safecss_filter_attr( $style_to_validate ) ); return ! empty( trim( $filtered ) ); } /** * Removes indirect properties from the given input node and * sets in the given output node. * * @since 6.2.0 * * @param array $input Node to process. * @param array $output The processed node. Passed by reference. */ private static function remove_indirect_properties( $input, &$output ) { foreach ( static::INDIRECT_PROPERTIES_METADATA as $property => $paths ) { foreach ( $paths as $path ) { $value = _wp_array_get( $input, $path ); if ( is_string( $value ) && static::is_safe_css_declaration( $property, $value ) ) { _wp_array_set( $output, $path, $value ); } } } } /** * Returns the raw data. * * @since 5.8.0 * * @return array Raw data. */ public function get_raw_data() { return $this->theme_json; } /** * Transforms the given editor settings according the * add_theme_support format to the theme.json format. * * @since 5.8.0 * * @param array $settings Existing editor settings. * @return array Config that adheres to the theme.json schema. */ public static function get_from_editor_settings( $settings ) { $theme_settings = array( 'version' => static::LATEST_SCHEMA, 'settings' => array(), ); // Deprecated theme supports. if ( isset( $settings['disableCustomColors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['custom'] = ! $settings['disableCustomColors']; } if ( isset( $settings['disableCustomGradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['customGradient'] = ! $settings['disableCustomGradients']; } if ( isset( $settings['disableCustomFontSizes'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['customFontSize'] = ! $settings['disableCustomFontSizes']; } if ( isset( $settings['enableCustomLineHeight'] ) ) { if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['lineHeight'] = $settings['enableCustomLineHeight']; } if ( isset( $settings['enableCustomUnits'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['units'] = ( true === $settings['enableCustomUnits'] ) ? array( 'px', 'em', 'rem', 'vh', 'vw', '%' ) : $settings['enableCustomUnits']; } if ( isset( $settings['colors'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['palette'] = $settings['colors']; } if ( isset( $settings['gradients'] ) ) { if ( ! isset( $theme_settings['settings']['color'] ) ) { $theme_settings['settings']['color'] = array(); } $theme_settings['settings']['color']['gradients'] = $settings['gradients']; } if ( isset( $settings['fontSizes'] ) ) { $font_sizes = $settings['fontSizes']; // Back-compatibility for presets without units. foreach ( $font_sizes as $key => $font_size ) { if ( is_numeric( $font_size['size'] ) ) { $font_sizes[ $key ]['size'] = $font_size['size'] . 'px'; } } if ( ! isset( $theme_settings['settings']['typography'] ) ) { $theme_settings['settings']['typography'] = array(); } $theme_settings['settings']['typography']['fontSizes'] = $font_sizes; } if ( isset( $settings['enableCustomSpacing'] ) ) { if ( ! isset( $theme_settings['settings']['spacing'] ) ) { $theme_settings['settings']['spacing'] = array(); } $theme_settings['settings']['spacing']['padding'] = $settings['enableCustomSpacing']; } return $theme_settings; } /** * Returns the current theme's wanted patterns(slugs) to be * registered from Pattern Directory. * * @since 6.0.0 * * @return string[] */ public function get_patterns() { if ( isset( $this->theme_json['patterns'] ) && is_array( $this->theme_json['patterns'] ) ) { return $this->theme_json['patterns']; } return array(); } /** * Returns a valid theme.json as provided by a theme. * * Unlike get_raw_data() this returns the presets flattened, as provided by a theme. * This also uses appearanceTools instead of their opt-ins if all of them are true. * * @since 6.0.0 * * @return array */ public function get_data() { $output = $this->theme_json; $nodes = static::get_setting_nodes( $output ); /** * Flatten the theme & custom origins into a single one. * * For example, the following: * * { * "settings": { * "color": { * "palette": { * "theme": [ {} ], * "custom": [ {} ] * } * } * } * } * * will be converted to: * * { * "settings": { * "color": { * "palette": [ {} ] * } * } * } */ foreach ( $nodes as $node ) { foreach ( static::PRESETS_METADATA as $preset_metadata ) { $path = $node['path']; foreach ( $preset_metadata['path'] as $preset_metadata_path ) { $path[] = $preset_metadata_path; } $preset = _wp_array_get( $output, $path, null ); if ( null === $preset ) { continue; } $items = array(); if ( isset( $preset['theme'] ) ) { foreach ( $preset['theme'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } if ( isset( $preset['custom'] ) ) { foreach ( $preset['custom'] as $item ) { $slug = $item['slug']; unset( $item['slug'] ); $items[ $slug ] = $item; } } $flattened_preset = array(); foreach ( $items as $slug => $value ) { $flattened_preset[] = array_merge( array( 'slug' => (string) $slug ), $value ); } _wp_array_set( $output, $path, $flattened_preset ); } } /* * If all of the static::APPEARANCE_TOOLS_OPT_INS are true, * this code unsets them and sets 'appearanceTools' instead. */ foreach ( $nodes as $node ) { $all_opt_ins_are_set = true; foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = $node['path']; foreach ( $opt_in_path as $opt_in_path_item ) { $full_path[] = $opt_in_path_item; } /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( 'unset prop' === $opt_in_value ) { $all_opt_ins_are_set = false; break; } } if ( $all_opt_ins_are_set ) { $node_path_with_appearance_tools = $node['path']; $node_path_with_appearance_tools[] = 'appearanceTools'; _wp_array_set( $output, $node_path_with_appearance_tools, true ); foreach ( static::APPEARANCE_TOOLS_OPT_INS as $opt_in_path ) { $full_path = $node['path']; foreach ( $opt_in_path as $opt_in_path_item ) { $full_path[] = $opt_in_path_item; } /* * Use "unset prop" as a marker instead of "null" because * "null" can be a valid value for some props (e.g. blockGap). */ $opt_in_value = _wp_array_get( $output, $full_path, 'unset prop' ); if ( true !== $opt_in_value ) { continue; } /* * The following could be improved to be path independent. * At the moment it relies on a couple of assumptions: * * - all opt-ins having a path of size 2. * - there's two sources of settings: the top-level and the block-level. */ if ( ( 1 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) ) { // Top-level settings. unset( $output['settings'][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings'][ $opt_in_path[0] ] ) ) { unset( $output['settings'][ $opt_in_path[0] ] ); } } elseif ( ( 3 === count( $node['path'] ) ) && ( 'settings' === $node['path'][0] ) && ( 'blocks' === $node['path'][1] ) ) { // Block-level settings. $block_name = $node['path'][2]; unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ][ $opt_in_path[1] ] ); if ( empty( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ) ) { unset( $output['settings']['blocks'][ $block_name ][ $opt_in_path[0] ] ); } } } } } wp_recursive_ksort( $output ); return $output; } /** * Sets the spacingSizes array based on the spacingScale values from theme.json. * * @since 6.1.0 * * @return null|void */ public function set_spacing_sizes() { $spacing_scale = isset( $this->theme_json['settings']['spacing']['spacingScale'] ) ? $this->theme_json['settings']['spacing']['spacingScale'] : array(); if ( ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['steps'] ) || ! isset( $spacing_scale['mediumStep'] ) || ! isset( $spacing_scale['unit'] ) || ! isset( $spacing_scale['operator'] ) || ! isset( $spacing_scale['increment'] ) || ! isset( $spacing_scale['steps'] ) || ! is_numeric( $spacing_scale['increment'] ) || ! is_numeric( $spacing_scale['mediumStep'] ) || ( '+' !== $spacing_scale['operator'] && '*' !== $spacing_scale['operator'] ) ) { if ( ! empty( $spacing_scale ) ) { trigger_error( sprintf( /* translators: 1: theme.json, 2: settings.spacing.spacingScale */ __( 'Some of the %1$s %2$s values are invalid' ), 'theme.json', 'settings.spacing.spacingScale' ), E_USER_NOTICE ); } return null; } // If theme authors want to prevent the generation of the core spacing scale they can set their theme.json spacingScale.steps to 0. if ( 0 === $spacing_scale['steps'] ) { return null; } $unit = '%' === $spacing_scale['unit'] ? '%' : sanitize_title( $spacing_scale['unit'] ); $current_step = $spacing_scale['mediumStep']; $steps_mid_point = round( $spacing_scale['steps'] / 2, 0 ); $x_small_count = null; $below_sizes = array(); $slug = 40; $remainder = 0; for ( $below_midpoint_count = $steps_mid_point - 1; $spacing_scale['steps'] > 1 && $slug > 0 && $below_midpoint_count > 0; $below_midpoint_count-- ) { if ( '+' === $spacing_scale['operator'] ) { $current_step -= $spacing_scale['increment']; } elseif ( $spacing_scale['increment'] > 1 ) { $current_step /= $spacing_scale['increment']; } else { $current_step *= $spacing_scale['increment']; } if ( $current_step <= 0 ) { $remainder = $below_midpoint_count; break; } $below_sizes[] = array( /* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Small. */ 'name' => $below_midpoint_count === $steps_mid_point - 1 ? __( 'Small' ) : sprintf( __( '%sX-Small' ), (string) $x_small_count ), 'slug' => (string) $slug, 'size' => round( $current_step, 2 ) . $unit, ); if ( $below_midpoint_count === $steps_mid_point - 2 ) { $x_small_count = 2; } if ( $below_midpoint_count < $steps_mid_point - 2 ) { ++$x_small_count; } $slug -= 10; } $below_sizes = array_reverse( $below_sizes ); $below_sizes[] = array( 'name' => __( 'Medium' ), 'slug' => '50', 'size' => $spacing_scale['mediumStep'] . $unit, ); $current_step = $spacing_scale['mediumStep']; $x_large_count = null; $above_sizes = array(); $slug = 60; $steps_above = ( $spacing_scale['steps'] - $steps_mid_point ) + $remainder; for ( $above_midpoint_count = 0; $above_midpoint_count < $steps_above; $above_midpoint_count++ ) { $current_step = '+' === $spacing_scale['operator'] ? $current_step + $spacing_scale['increment'] : ( $spacing_scale['increment'] >= 1 ? $current_step * $spacing_scale['increment'] : $current_step / $spacing_scale['increment'] ); $above_sizes[] = array( /* translators: %s: Digit to indicate multiple of sizing, eg. 2X-Large. */ 'name' => 0 === $above_midpoint_count ? __( 'Large' ) : sprintf( __( '%sX-Large' ), (string) $x_large_count ), 'slug' => (string) $slug, 'size' => round( $current_step, 2 ) . $unit, ); if ( 1 === $above_midpoint_count ) { $x_large_count = 2; } if ( $above_midpoint_count > 1 ) { ++$x_large_count; } $slug += 10; } $spacing_sizes = $below_sizes; foreach ( $above_sizes as $above_sizes_item ) { $spacing_sizes[] = $above_sizes_item; } // If there are 7 or fewer steps in the scale revert to numbers for labels instead of t-shirt sizes. if ( $spacing_scale['steps'] <= 7 ) { for ( $spacing_sizes_count = 0; $spacing_sizes_count < count( $spacing_sizes ); $spacing_sizes_count++ ) { $spacing_sizes[ $spacing_sizes_count ]['name'] = (string) ( $spacing_sizes_count + 1 ); } } _wp_array_set( $this->theme_json, array( 'settings', 'spacing', 'spacingSizes', 'default' ), $spacing_sizes ); } /** * This is used to convert the internal representation of variables to the CSS representation. * For example, `var:preset|color|vivid-green-cyan` becomes `var(--wp--preset--color--vivid-green-cyan)`. * * @since 6.3.0 * @param string $value The variable such as var:preset|color|vivid-green-cyan to convert. * @return string The converted variable. */ private static function convert_custom_properties( $value ) { $prefix = 'var:'; $prefix_len = strlen( $prefix ); $token_in = '|'; $token_out = '--'; if ( str_starts_with( $value, $prefix ) ) { $unwrapped_name = str_replace( $token_in, $token_out, substr( $value, $prefix_len ) ); $value = "var(--wp--$unwrapped_name)"; } return $value; } /** * Given a tree, converts the internal representation of variables to the CSS representation. * It is recursive and modifies the input in-place. * * @since 6.3.0 * @param array $tree Input to process. * @return array The modified $tree. */ private static function resolve_custom_css_format( $tree ) { $prefix = 'var:'; foreach ( $tree as $key => $data ) { if ( is_string( $data ) && str_starts_with( $data, $prefix ) ) { $tree[ $key ] = self::convert_custom_properties( $data ); } elseif ( is_array( $data ) ) { $tree[ $key ] = self::resolve_custom_css_format( $data ); } } return $tree; } /** * Returns the selectors metadata for a block. * * @since 6.3.0 * * @param object $block_type The block type. * @param string $root_selector The block's root selector. * * @return array The custom selectors set by the block. */ protected static function get_block_selectors( $block_type, $root_selector ) { if ( ! empty( $block_type->selectors ) ) { return $block_type->selectors; } $selectors = array( 'root' => $root_selector ); foreach ( static::BLOCK_SUPPORT_FEATURE_LEVEL_SELECTORS as $key => $feature ) { $feature_selector = wp_get_block_css_selector( $block_type, $key ); if ( null !== $feature_selector ) { $selectors[ $feature ] = array( 'root' => $feature_selector ); } } return $selectors; } /** * Generates all the element selectors for a block. * * @since 6.3.0 * * @param string $root_selector The block's root CSS selector. * @return array The block's element selectors. */ protected static function get_block_element_selectors( $root_selector ) { /* * Assign defaults, then override those that the block sets by itself. * If the block selector is compounded, will append the element to each * individual block selector. */ $block_selectors = explode( ',', $root_selector ); $element_selectors = array(); foreach ( static::ELEMENTS as $el_name => $el_selector ) { $element_selector = array(); foreach ( $block_selectors as $selector ) { if ( $selector === $el_selector ) { $element_selector = array( $el_selector ); break; } $element_selector[] = static::prepend_to_selector( $el_selector, $selector . ' ' ); } $element_selectors[ $el_name ] = implode( ',', $element_selector ); } return $element_selectors; } /** * Generates style declarations for a node's features e.g., color, border, * typography etc. that have custom selectors in their related block's * metadata. * * @since 6.3.0 * * @param object $metadata The related block metadata containing selectors. * @param object $node A merged theme.json node for block or variation. * * @return array The style declarations for the node's features with custom * selectors. */ protected function get_feature_declarations_for_node( $metadata, &$node ) { $declarations = array(); if ( ! isset( $metadata['selectors'] ) ) { return $declarations; } $settings = isset( $this->theme_json['settings'] ) ? $this->theme_json['settings'] : array(); foreach ( $metadata['selectors'] as $feature => $feature_selectors ) { /* * Skip if this is the block's root selector or the block doesn't * have any styles for the feature. */ if ( 'root' === $feature || empty( $node[ $feature ] ) ) { continue; } if ( is_array( $feature_selectors ) ) { foreach ( $feature_selectors as $subfeature => $subfeature_selector ) { if ( 'root' === $subfeature || empty( $node[ $feature ][ $subfeature ] ) ) { continue; } /* * Create temporary node containing only the subfeature data * to leverage existing `compute_style_properties` function. */ $subfeature_node = array( $feature => array( $subfeature => $node[ $feature ][ $subfeature ], ), ); // Generate style declarations. $new_declarations = static::compute_style_properties( $subfeature_node, $settings, null, $this->theme_json ); // Merge subfeature declarations into feature declarations. if ( isset( $declarations[ $subfeature_selector ] ) ) { foreach ( $new_declarations as $new_declaration ) { $declarations[ $subfeature_selector ][] = $new_declaration; } } else { $declarations[ $subfeature_selector ] = $new_declarations; } /* * Remove the subfeature from the block's node now its * styles will be included under its own selector not the * block's. */ unset( $node[ $feature ][ $subfeature ] ); } } /* * Now subfeatures have been processed and removed we can process * feature root selector or simple string selector. */ if ( is_string( $feature_selectors ) || ( isset( $feature_selectors['root'] ) && $feature_selectors['root'] ) ) { $feature_selector = is_string( $feature_selectors ) ? $feature_selectors : $feature_selectors['root']; /* * Create temporary node containing only the feature data * to leverage existing `compute_style_properties` function. */ $feature_node = array( $feature => $node[ $feature ] ); // Generate the style declarations. $new_declarations = static::compute_style_properties( $feature_node, $settings, null, $this->theme_json ); /* * Merge new declarations with any that already exist for * the feature selector. This may occur when multiple block * support features use the same custom selector. */ if ( isset( $declarations[ $feature_selector ] ) ) { foreach ( $new_declarations as $new_declaration ) { $declarations[ $feature_selector ][] = $new_declaration; } } else { $declarations[ $feature_selector ] = $new_declarations; } /* * Remove the feature from the block's node now its styles * will be included under its own selector not the block's. */ unset( $node[ $feature ] ); } } return $declarations; } /** * Replaces CSS variables with their values in place. * * @since 6.3.0 * @since 6.5.0 Check for empty style before processing its value. * * @param array $styles CSS declarations to convert. * @param array $values key => value pairs to use for replacement. * @return array */ private static function convert_variables_to_value( $styles, $values ) { foreach ( $styles as $key => $style ) { if ( empty( $style ) ) { continue; } if ( is_array( $style ) ) { $styles[ $key ] = self::convert_variables_to_value( $style, $values ); continue; } if ( 0 <= strpos( $style, 'var(' ) ) { // find all the variables in the string in the form of var(--variable-name, fallback), with fallback in the second capture group. $has_matches = preg_match_all( '/var\(([^),]+)?,?\s?(\S+)?\)/', $style, $var_parts ); if ( $has_matches ) { $resolved_style = $styles[ $key ]; foreach ( $var_parts[1] as $index => $var_part ) { $key_in_values = 'var(' . $var_part . ')'; $rule_to_replace = $var_parts[0][ $index ]; // the css rule to replace e.g. var(--wp--preset--color--vivid-green-cyan). $fallback = $var_parts[2][ $index ]; // the fallback value. $resolved_style = str_replace( array( $rule_to_replace, $fallback, ), array( isset( $values[ $key_in_values ] ) ? $values[ $key_in_values ] : $rule_to_replace, isset( $values[ $fallback ] ) ? $values[ $fallback ] : $fallback, ), $resolved_style ); } $styles[ $key ] = $resolved_style; } } } return $styles; } /** * Resolves the values of CSS variables in the given styles. * * @since 6.3.0 * @param WP_Theme_JSON $theme_json The theme json resolver. * * @return WP_Theme_JSON The $theme_json with resolved variables. */ public static function resolve_variables( $theme_json ) { $settings = $theme_json->get_settings(); $styles = $theme_json->get_raw_data()['styles']; $preset_vars = static::compute_preset_vars( $settings, static::VALID_ORIGINS ); $theme_vars = static::compute_theme_vars( $settings ); $vars = array_reduce( array_merge( $preset_vars, $theme_vars ), function ( $carry, $item ) { $name = $item['name']; $carry[ "var({$name})" ] = $item['value']; return $carry; }, array() ); $theme_json->theme_json['styles'] = self::convert_variables_to_value( $styles, $vars ); return $theme_json; } /** * Generates a selector for a block style variation. * * @since 6.5.0 * * @param string $variation_name Name of the block style variation. * @param string $block_selector CSS selector for the block. * @return string Block selector with block style variation selector added to it. */ protected static function get_block_style_variation_selector( $variation_name, $block_selector ) { $variation_class = ".is-style-$variation_name"; if ( ! $block_selector ) { return $variation_class; } $limit = 1; $selector_parts = explode( ',', $block_selector ); $result = array(); foreach ( $selector_parts as $part ) { $result[] = preg_replace_callback( '/((?::\([^)]+\))?\s*)([^\s:]+)/', function ( $matches ) use ( $variation_class ) { return $matches[1] . $matches[2] . $variation_class; }, $part, $limit ); } return implode( ',', $result ); } }