}
}
$this->queried_object = get_userdata( $this->queried_object_id );
}
return $this->queried_object;
}
/**
* Retrieves the ID of the currently queried object.
*
* @since 1.5.0
*
* @return int
*/
public function get_queried_object_id() {
$this->get_queried_object();
return $this->queried_object_id ?? 0;
}
/**
* Constructor.
*
* Sets up the WordPress query, if parameter is not empty.
*
* @since 1.5.0
*
* @see WP_Query::parse_query() for all available arguments.
*
* @param string|array $query URL query string or array of vars.
*/
public function __construct( $query = '' ) {
if ( ! empty( $query ) ) {
$this->query( $query );
}
}
/**
* Makes private properties readable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Property to get.
* @return mixed Property.
*/
public function __get( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
return $this->$name;
}
}
/**
* Makes private properties checkable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Property to check if set.
* @return bool Whether the property is set.
*/
public function __isset( $name ) {
if ( in_array( $name, $this->compat_fields, true ) ) {
return isset( $this->$name );
}
return false;
}
/**
* Makes private/protected methods readable for backward compatibility.
*
* @since 4.0.0
*
* @param string $name Method to call.
* @param array $arguments Arguments to pass when calling.
* @return mixed|false Return value of the callback, false otherwise.
*/
public function __call( $name, $arguments ) {
if ( in_array( $name, $this->compat_methods, true ) ) {
return $this->$name( ...$arguments );
}
return false;
}
/**
* Determines whether the query is for an existing archive page.
*
* Archive pages include category, tag, author, date, custom post type,
* and custom taxonomy based archives.
*
* @since 3.1.0
*
* @see WP_Query::is_category()
* @see WP_Query::is_tag()
* @see WP_Query::is_author()
* @see WP_Query::is_date()
* @see WP_Query::is_post_type_archive()
* @see WP_Query::is_tax()
*
* @return bool Whether the query is for an existing archive page.
*/
public function is_archive() {
return (bool) $this->is_archive;
}
/**
* Determines whether the query is for an existing post type archive page.
*
* @since 3.1.0
*
* @param string|string[] $post_types Optional. Post type or array of posts types
* to check against. Default empty.
* @return bool Whether the query is for an existing post type archive page.
*/
public function is_post_type_archive( $post_types = '' ) {
if ( empty( $post_types ) || ! $this->is_post_type_archive ) {
return (bool) $this->is_post_type_archive;
}
$post_type = $this->get( 'post_type' );
if ( is_array( $post_type ) ) {
$post_type = reset( $post_type );
}
$post_type_object = get_post_type_object( $post_type );
if ( ! $post_type_object ) {
return false;
}
return in_array( $post_type_object->name, (array) $post_types, true );
}
/**
* Determines whether the query is for an existing attachment page.
*
* @since 3.1.0
*
* @param int|string|int[]|string[] $attachment Optional. Attachment ID, title, slug, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing attachment page.
*/
public function is_attachment( $attachment = '' ) {
if ( ! $this->is_attachment ) {
return false;
}
if ( empty( $attachment ) ) {
return true;
}
$attachment = array_map( 'strval', (array) $attachment );
$post_obj = $this->get_queried_object();
if ( ! $post_obj ) {
return false;
}
if ( in_array( (string) $post_obj->ID, $attachment, true ) ) {
return true;
} elseif ( in_array( $post_obj->post_title, $attachment, true ) ) {
return true;
} elseif ( in_array( $post_obj->post_name, $attachment, true ) ) {
return true;
}
return false;
}
/**
* Determines whether the query is for an existing author archive page.
*
* If the $author parameter is specified, this function will additionally
* check if the query is for one of the authors specified.
*
* @since 3.1.0
*
* @param int|string|int[]|string[] $author Optional. User ID, nickname, nicename, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing author archive page.
*/
public function is_author( $author = '' ) {
if ( ! $this->is_author ) {
return false;
}
if ( empty( $author ) ) {
return true;
}
$author_obj = $this->get_queried_object();
if ( ! $author_obj ) {
return false;
}
$author = array_map( 'strval', (array) $author );
if ( in_array( (string) $author_obj->ID, $author, true ) ) {
return true;
} elseif ( in_array( $author_obj->nickname, $author, true ) ) {
return true;
} elseif ( in_array( $author_obj->user_nicename, $author, true ) ) {
return true;
}
return false;
}
/**
* Determines whether the query is for an existing category archive page.
*
* If the $category parameter is specified, this function will additionally
* check if the query is for one of the categories specified.
*
* @since 3.1.0
*
* @param int|string|int[]|string[] $category Optional. Category ID, name, slug, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing category archive page.
*/
public function is_category( $category = '' ) {
if ( ! $this->is_category ) {
return false;
}
if ( empty( $category ) ) {
return true;
}
$cat_obj = $this->get_queried_object();
if ( ! $cat_obj ) {
return false;
}
$category = array_map( 'strval', (array) $category );
if ( in_array( (string) $cat_obj->term_id, $category, true ) ) {
return true;
} elseif ( in_array( $cat_obj->name, $category, true ) ) {
return true;
} elseif ( in_array( $cat_obj->slug, $category, true ) ) {
return true;
}
return false;
}
/**
* Determines whether the query is for an existing tag archive page.
*
* If the $tag parameter is specified, this function will additionally
* check if the query is for one of the tags specified.
*
* @since 3.1.0
*
* @param int|string|int[]|string[] $tag Optional. Tag ID, name, slug, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing tag archive page.
*/
public function is_tag( $tag = '' ) {
if ( ! $this->is_tag ) {
return false;
}
if ( empty( $tag ) ) {
return true;
}
$tag_obj = $this->get_queried_object();
if ( ! $tag_obj ) {
return false;
}
$tag = array_map( 'strval', (array) $tag );
if ( in_array( (string) $tag_obj->term_id, $tag, true ) ) {
return true;
} elseif ( in_array( $tag_obj->name, $tag, true ) ) {
return true;
} elseif ( in_array( $tag_obj->slug, $tag, true ) ) {
return true;
}
return false;
}
/**
* Determines whether the query is for an existing custom taxonomy archive page.
*
* If the $taxonomy parameter is specified, this function will additionally
* check if the query is for that specific $taxonomy.
*
* If the $term parameter is specified in addition to the $taxonomy parameter,
* this function will additionally check if the query is for one of the terms
* specified.
*
* @since 3.1.0
*
* @global WP_Taxonomy[] $wp_taxonomies Registered taxonomies.
*
* @param string|string[] $taxonomy Optional. Taxonomy slug or slugs to check against.
* Default empty.
* @param int|string|int[]|string[] $term Optional. Term ID, name, slug, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing custom taxonomy archive page.
* True for custom taxonomy archive pages, false for built-in taxonomies
* (category and tag archives).
*/
public function is_tax( $taxonomy = '', $term = '' ) {
global $wp_taxonomies;
if ( ! $this->is_tax ) {
return false;
}
if ( empty( $taxonomy ) ) {
return true;
}
$queried_object = $this->get_queried_object();
$tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
$term_array = (array) $term;
// Check that the taxonomy matches.
if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array, true ) ) ) {
return false;
}
// Only a taxonomy provided.
if ( empty( $term ) ) {
return true;
}
return isset( $queried_object->term_id ) &&
count(
array_intersect(
array( $queried_object->term_id, $queried_object->name, $queried_object->slug ),
$term_array
)
);
}
/**
* Determines whether the current URL is within the comments popup window.
*
* @since 3.1.0
* @deprecated 4.5.0
*
* @return false Always returns false.
*/
public function is_comments_popup() {
_deprecated_function( __FUNCTION__, '4.5.0' );
return false;
}
/**
* Determines whether the query is for an existing date archive.
*
* @since 3.1.0
*
* @return bool Whether the query is for an existing date archive.
*/
public function is_date() {
return (bool) $this->is_date;
}
/**
* Determines whether the query is for an existing day archive.
*
* @since 3.1.0
*
* @return bool Whether the query is for an existing day archive.
*/
public function is_day() {
return (bool) $this->is_day;
}
/**
* Determines whether the query is for a feed.
*
* @since 3.1.0
*
* @param string|string[] $feeds Optional. Feed type or array of feed types
* to check against. Default empty.
* @return bool Whether the query is for a feed.
*/
public function is_feed( $feeds = '' ) {
if ( empty( $feeds ) || ! $this->is_feed ) {
return (bool) $this->is_feed;
}
$query_var = $this->get( 'feed' );
if ( 'feed' === $query_var ) {
$query_var = get_default_feed();
}
return in_array( $query_var, (array) $feeds, true );
}
/**
* Determines whether the query is for a comments feed.
*
* @since 3.1.0
*
* @return bool Whether the query is for a comments feed.
*/
public function is_comment_feed() {
return (bool) $this->is_comment_feed;
}
/**
* Determines whether the query is for the front page of the site.
*
* This is for what is displayed at your site's main URL.
*
* Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
*
* If you set a static page for the front page of your site, this function will return
* true when viewing that page.
*
* Otherwise the same as {@see WP_Query::is_home()}.
*
* @since 3.1.0
*
* @return bool Whether the query is for the front page of the site.
*/
public function is_front_page() {
// Most likely case.
if ( 'posts' === get_option( 'show_on_front' ) && $this->is_home() ) {
return true;
} elseif ( 'page' === get_option( 'show_on_front' ) && get_option( 'page_on_front' )
&& $this->is_page( get_option( 'page_on_front' ) )
) {
return true;
} else {
return false;
}
}
/**
* Determines whether the query is for the blog homepage.
*
* This is the page which shows the time based blog content of your site.
*
* Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
*
* If you set a static page for the front page of your site, this function will return
* true only on the page you set as the "Posts page".
*
* @since 3.1.0
*
* @see WP_Query::is_front_page()
*
* @return bool Whether the query is for the blog homepage.
*/
public function is_home() {
return (bool) $this->is_home;
}
/**
* Determines whether the query is for the Privacy Policy page.
*
* This is the page which shows the Privacy Policy content of your site.
*
* Depends on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
*
* This function will return true only on the page you set as the "Privacy Policy page".
*
* @since 5.2.0
*
* @return bool Whether the query is for the Privacy Policy page.
*/
public function is_privacy_policy() {
if ( get_option( 'wp_page_for_privacy_policy' )
&& $this->is_page( get_option( 'wp_page_for_privacy_policy' ) )
) {
return true;
} else {
return false;
}
}
/**
* Determines whether the query is for an existing month archive.
*
* @since 3.1.0
*
* @return bool Whether the query is for an existing month archive.
*/
public function is_month() {
return (bool) $this->is_month;
}
/**
* Determines whether the query is for an existing single page.
*
* If the $page parameter is specified, this function will additionally
* check if the query is for one of the pages specified.
*
* @since 3.1.0
*
* @see WP_Query::is_single()
* @see WP_Query::is_singular()
*
* @param int|string|int[]|string[] $page Optional. Page ID, title, slug, path, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing single page.
*/
public function is_page( $page = '' ) {
if ( ! $this->is_page ) {
return false;
}
if ( empty( $page ) ) {
return true;
}
$page_obj = $this->get_queried_object();
if ( ! $page_obj ) {
return false;
}
$page = array_map( 'strval', (array) $page );
if ( in_array( (string) $page_obj->ID, $page, true ) ) {
return true;
} elseif ( in_array( $page_obj->post_title, $page, true ) ) {
return true;
} elseif ( in_array( $page_obj->post_name, $page, true ) ) {
return true;
} else {
foreach ( $page as $pagepath ) {
if ( ! strpos( $pagepath, '/' ) ) {
continue;
}
$pagepath_obj = get_page_by_path( $pagepath );
if ( $pagepath_obj && ( $pagepath_obj->ID === $page_obj->ID ) ) {
return true;
}
}
}
return false;
}
/**
* Determines whether the query is for a paged result and not for the first page.
*
* @since 3.1.0
*
* @return bool Whether the query is for a paged result.
*/
public function is_paged() {
return (bool) $this->is_paged;
}
/**
* Determines whether the query is for a post or page preview.
*
* @since 3.1.0
*
* @return bool Whether the query is for a post or page preview.
*/
public function is_preview() {
return (bool) $this->is_preview;
}
/**
* Determines whether the query is for the robots.txt file.
*
* @since 3.1.0
*
* @return bool Whether the query is for the robots.txt file.
*/
public function is_robots() {
return (bool) $this->is_robots;
}
/**
* Determines whether the query is for the favicon.ico file.
*
* @since 5.4.0
*
* @return bool Whether the query is for the favicon.ico file.
*/
public function is_favicon() {
return (bool) $this->is_favicon;
}
/**
* Determines whether the query is for a search.
*
* @since 3.1.0
*
* @return bool Whether the query is for a search.
*/
public function is_search() {
return (bool) $this->is_search;
}
/**
* Determines whether the query is for an existing single post.
*
* Works for any post type excluding pages.
*
* If the $post parameter is specified, this function will additionally
* check if the query is for one of the Posts specified.
*
* @since 3.1.0
*
* @see WP_Query::is_page()
* @see WP_Query::is_singular()
*
* @param int|string|int[]|string[] $post Optional. Post ID, title, slug, path, or array of such
* to check against. Default empty.
* @return bool Whether the query is for an existing single post.
*/
public function is_single( $post = '' ) {
if ( ! $this->is_single ) {
return false;
}
if ( empty( $post ) ) {
return true;
}
$post_obj = $this->get_queried_object();
if ( ! $post_obj ) {
return false;
}
$post = array_map( 'strval', (array) $post );
if ( in_array( (string) $post_obj->ID, $post, true ) ) {
return true;
} elseif ( in_array( $post_obj->post_title, $post, true ) ) {
return true;
} elseif ( in_array( $post_obj->post_name, $post, true ) ) {
return true;
} else {
foreach ( $post as $postpath ) {
if ( ! strpos( $postpath, '/' ) ) {
continue;
}
$postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );
if ( $postpath_obj && ( $postpath_obj->ID === $post_obj->ID ) ) {
return true;
}
}
}
return false;
}
/**
* Determines whether the query is for an existing single post of any post type
* (post, attachment, page, custom post types).
*
* If the $post_types parameter is specified, this function will additionally
* check if the query is for one of the Posts Types specified.
*
* @since 3.1.0
*
* @see WP_Query::is_page()
* @see WP_Query::is_single()
*
* @param string|string[] $post_types Optional. Post type or array of post types
* to check against. Default empty.
* @return bool Whether the query is for an existing single post
* or any of the given post types.
*/
public function is_singular( $post_types = '' ) {
if ( empty( $post_types ) || ! $this->is_singular ) {
return (bool) $this->is_singular;
}
$post_obj = $this->get_queried_object();
if ( ! $post_obj ) {
return false;
}
return in_array( $post_obj->post_type, (array) $post_types, true );
}
/**
* Determines whether the query is for a specific time.
*
* @since 3.1.0
*
* @return bool Whether the query is for a specific time.
*/
public function is_time() {
return (bool) $this->is_time;
}
/**
* Determines whether the query is for a trackback endpoint call.
*
* @since 3.1.0
*
* @return bool Whether the query is for a trackback endpoint call.
*/
public function is_trackback() {
return (bool) $this->is_trackback;
}
/**
* Determines whether the query is for an existing year archive.
*
* @since 3.1.0
*
* @return bool Whether the query is for an existing year archive.
*/
public function is_year() {
return (bool) $this->is_year;
}
/**
* Determines whether the query is a 404 (returns no results).
*
* @since 3.1.0
*
* @return bool Whether the query is a 404 error.
*/
public function is_404() {
return (bool) $this->is_404;
}
/**
* Determines whether the query is for an embedded post.
*
* @since 4.4.0
*
* @return bool Whether the query is for an embedded post.
*/
public function is_embed() {
return (bool) $this->is_embed;
}
/**
* Determines whether the query is the main query.
*
* @since 3.3.0
*
* @global WP_Query $wp_the_query WordPress Query object.
*
* @return bool Whether the query is the main query.
*/
public function is_main_query() {
global $wp_the_query;
return $wp_the_query === $this;
}
/**
* Sets up global post data.
*
* @since 4.1.0
* @since 4.4.0 Added the ability to pass a post ID to `$post`.
*
* @global int $id
* @global WP_User $authordata
* @global string $currentday
* @global string $currentmonth
* @global int $page
* @global array $pages
* @global int $multipage
* @global int $more
* @global int $numpages
*
* @param WP_Post|object|int $post WP_Post instance or Post ID/object.
* @return bool True on success, false on failure.
*/
public function setup_postdata( $post ) {
global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
if ( ! ( $post instanceof WP_Post ) ) {
$post = get_post( $post );
}
if ( ! $post ) {
return false;
}
$elements = $this->generate_postdata( $post );
if ( false === $elements ) {
return false;
}
$id = $elements['id'];
$authordata = $elements['authordata'];
$currentday = $elements['currentday'];
$currentmonth = $elements['currentmonth'];
$page = $elements['page'];
$pages = $elements['pages'];
$multipage = $elements['multipage'];
$more = $elements['more'];
$numpages = $elements['numpages'];
/**
* Fires once the post data has been set up.
*
* @since 2.8.0
* @since 4.1.0 Introduced `$query` parameter.
*
* @param WP_Post $post The Post object (passed by reference).
* @param WP_Query $query The current Query object (passed by reference).
*/
do_action_ref_array( 'the_post', array( &$post, &$this ) );
return true;
}
/**
* Generates post data.
*
* @since 5.2.0
*
* @param WP_Post|object|int $post WP_Post instance or Post ID/object.
* @return array|false Elements of post or false on failure.
*/
public function generate_postdata( $post ) {
if ( ! ( $post instanceof WP_Post ) ) {
$post = get_post( $post );
}
if ( ! $post ) {
return false;
}
$id = (int) $post->ID;
$authordata = get_userdata( $post->post_author );
$currentday = false;
$currentmonth = false;
$post_date = $post->post_date;
if ( ! empty( $post_date ) && '0000-00-00 00:00:00' !== $post_date ) {
// Avoid using mysql2date for performance reasons.
$currentmonth = substr( $post_date, 5, 2 );
$day = substr( $post_date, 8, 2 );
$year = substr( $post_date, 2, 2 );
$currentday = sprintf( '%s.%s.%s', $day, $currentmonth, $year );
}
$numpages = 1;
$multipage = 0;
$page = $this->get( 'page' );
if ( ! $page ) {
$page = 1;
}
/*
* Force full post content when viewing the permalink for the $post,
* or when on an RSS feed. Otherwise respect the 'more' tag.
*/
if ( get_queried_object_id() === $post->ID && ( $this->is_page() || $this->is_single() ) ) {
$more = 1;
} elseif ( $this->is_feed() ) {
$more = 1;
} else {
$more = 0;
}
$content = $post->post_content;
if ( str_contains( $content, '' ) ) {
$content = str_replace( "\n\n", '', $content );
$content = str_replace( "\n", '', $content );
$content = str_replace( "\n", '', $content );
// Remove the nextpage block delimiters, to avoid invalid block structures in the split content.
$content = str_replace( '', '', $content );
$content = str_replace( '', '', $content );
// Ignore nextpage at the beginning of the content.
if ( str_starts_with( $content, '' ) ) {
$content = substr( $content, 15 );
}
$pages = explode( '', $content );
} else {
$pages = array( $post->post_content );
}
/**
* Filters the "pages" derived from splitting the post content.
*
* "Pages" are determined by splitting the post content based on the presence
* of `` tags.
*
* @since 4.4.0
*
* @param string[] $pages Array of "pages" from the post content split by `` tags.
* @param WP_Post $post Current post object.
*/
$pages = apply_filters( 'content_pagination', $pages, $post );
$numpages = count( $pages );
if ( $numpages > 1 ) {
if ( $page > 1 ) {
$more = 1;
}
$multipage = 1;
} else {
$multipage = 0;
}
$elements = compact( 'id', 'authordata', 'currentday', 'currentmonth', 'page', 'pages', 'multipage', 'more', 'numpages' );
return $elements;
}
/**
* Generates cache key.
*
* @since 6.1.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $args Query arguments.
* @param string $sql SQL statement.
* @return string Cache key.
*/
protected function generate_cache_key( array $args, $sql ) {
global $wpdb;
unset(
$args['cache_results'],
$args['fields'],
$args['lazy_load_term_meta'],
$args['update_post_meta_cache'],
$args['update_post_term_cache'],
$args['update_menu_item_cache'],
$args['suppress_filters']
);
if ( empty( $args['post_type'] ) ) {
if ( $this->is_attachment ) {
$args['post_type'] = 'attachment';
} elseif ( $this->is_page ) {
$args['post_type'] = 'page';
} else {
$args['post_type'] = 'post';
}
} elseif ( 'any' === $args['post_type'] ) {
$args['post_type'] = array_values( get_post_types( array( 'exclude_from_search' => false ) ) );
}
$args['post_type'] = (array) $args['post_type'];
// Sort post types to ensure same cache key generation.
sort( $args['post_type'] );
/*
* Sort arrays that can be used for ordering prior to cache key generation.
*
* These arrays are sorted in the query generator for the purposes of the
* WHERE clause but the arguments are not modified as they can be used for
* the orderby clause.
*
* Their use in the orderby clause will generate a different SQL query so
* they can be sorted for the cache key generation.
*/
$sortable_arrays_with_int_values = array(
'post__in',
'post_parent__in',
);
foreach ( $sortable_arrays_with_int_values as $key ) {
if ( isset( $args[ $key ] ) && is_array( $args[ $key ] ) ) {
$args[ $key ] = array_unique( array_map( 'absint', $args[ $key ] ) );
sort( $args[ $key ] );
}
}
// Sort and unique the 'post_name__in' for cache key generation.
if ( isset( $args['post_name__in'] ) && is_array( $args['post_name__in'] ) ) {
$args['post_name__in'] = array_unique( $args['post_name__in'] );
sort( $args['post_name__in'] );
}
if ( isset( $args['post_status'] ) ) {
$args['post_status'] = (array) $args['post_status'];
// Sort post status to ensure same cache key generation.
sort( $args['post_status'] );
}
// Add a default orderby value of date to ensure same cache key generation.
if ( ! isset( $args['orderby'] ) ) {
$args['orderby'] = 'date';
}
$placeholder = $wpdb->placeholder_escape();
array_walk_recursive(
$args,
/*
* Replace wpdb placeholders with the string used in the database
* query to avoid unreachable cache keys. This is necessary because
* the placeholder is randomly generated in each request.
*
* $value is passed by reference to allow it to be modified.
* array_walk_recursive() does not return an array.
*/
static function ( &$value ) use ( $wpdb, $placeholder ) {
if ( is_string( $value ) && str_contains( $value, $placeholder ) ) {
$value = $wpdb->remove_placeholder_escape( $value );
}
}
);
ksort( $args );
// Replace wpdb placeholder in the SQL statement used by the cache key.
$sql = $wpdb->remove_placeholder_escape( $sql );
$key = md5( serialize( $args ) . $sql );
$this->query_cache_key = "wp_query:$key";
return $this->query_cache_key;
}
/**
* After looping through a nested query, this function
* restores the $post global to the current post in this query.
*
* @since 3.7.0
*
* @global WP_Post $post Global post object.
*/
public function reset_postdata() {
if ( ! empty( $this->post ) ) {
$GLOBALS['post'] = $this->post;
$this->setup_postdata( $this->post );
}
}
/**
* Lazyloads term meta for posts in the loop.
*
* @since 4.4.0
* @deprecated 4.5.0 See wp_queue_posts_for_term_meta_lazyload().
*
* @param mixed $check
* @param int $term_id
* @return mixed
*/
public function lazyload_term_meta( $check, $term_id ) {
_deprecated_function( __METHOD__, '4.5.0' );
return $check;
}
/**
* Lazyloads comment meta for comments in the loop.
*
* @since 4.4.0
* @deprecated 4.5.0 See wp_lazyload_comment_meta().
*
* @param mixed $check
* @param int $comment_id
* @return mixed
*/
public function lazyload_comment_meta( $check, $comment_id ) {
_deprecated_function( __METHOD__, '4.5.0' );
return $check;
}
}
a bookmark field.
*
* Sanitizes the bookmark fields based on what the field name is. If the field
* has a strict value set, then it will be tested for that, else a more generic
* filtering is applied. After the more strict filter is applied, if the `$context`
* is 'raw' then the value is immediately return.
*
* Hooks exist for the more generic cases. With the 'edit' context, the {@see 'edit_$field'}
* filter will be called and passed the `$value` and `$bookmark_id` respectively.
*
* With the 'db' context, the {@see 'pre_$field'} filter is called and passed the value.
* The 'display' context is the final context and has the `$field` has the filter name
* and is passed the `$value`, `$bookmark_id`, and `$context`, respectively.
*
* @since 2.3.0
*
* @param string $field The bookmark field.
* @param mixed $value The bookmark field value.
* @param int $bookmark_id Bookmark ID.
* @param string $context How to filter the field value. Accepts 'raw', 'edit', 'db',
* 'display', 'attribute', or 'js'. Default 'display'.
* @return mixed The filtered value.
*/
function sanitize_bookmark_field( $field, $value, $bookmark_id, $context ) {
$int_fields = array( 'link_id', 'link_rating' );
if ( in_array( $field, $int_fields, true ) ) {
$value = (int) $value;
}
switch ( $field ) {
case 'link_category': // array( ints )
$value = array_map( 'absint', (array) $value );
/*
* We return here so that the categories aren't filtered.
* The 'link_category' filter is for the name of a link category, not an array of a link's link categories.
*/
return $value;
case 'link_visible': // bool stored as Y|N
$value = preg_replace( '/[^YNyn]/', '', $value );
break;
case 'link_target': // "enum"
$targets = array( '_top', '_blank' );
if ( ! in_array( $value, $targets, true ) ) {
$value = '';
}
break;
}
if ( 'raw' === $context ) {
return $value;
}
if ( 'edit' === $context ) {
/** This filter is documented in wp-includes/post.php */
$value = apply_filters( "edit_{$field}", $value, $bookmark_id );
if ( 'link_notes' === $field ) {
$value = esc_html( $value ); // textarea_escaped
} else {
$value = esc_attr( $value );
}
} elseif ( 'db' === $context ) {
/** This filter is documented in wp-includes/post.php */
$value = apply_filters( "pre_{$field}", $value );
} else {
/** This filter is documented in wp-includes/post.php */
$value = apply_filters( "{$field}", $value, $bookmark_id, $context );
if ( 'attribute' === $context ) {
$value = esc_attr( $value );
} elseif ( 'js' === $context ) {
$value = esc_js( $value );
}
}
// Restore the type for integer fields after esc_attr().
if ( in_array( $field, $int_fields, true ) ) {
$value = (int) $value;
}
return $value;
}
/**
* Deletes the bookmark cache.
*
* @since 2.7.0
*
* @param int $bookmark_id Bookmark ID.
*/
function clean_bookmark_cache( $bookmark_id ) {
wp_cache_delete( $bookmark_id, 'bookmark' );
wp_cache_delete( 'get_bookmarks', 'bookmark' );
clean_object_term_cache( $bookmark_id, 'link' );
}
otherwise.
*
* @since 6.5.0
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the script module ID to register when multiple
* items passed. Default 0.
* @return string|false Script module ID or false on failure.
*/
function register_block_script_module_id( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$module_id = $metadata[ $field_name ];
if ( is_array( $module_id ) ) {
if ( empty( $module_id[ $index ] ) ) {
return false;
}
$module_id = $module_id[ $index ];
}
$module_path = remove_block_asset_path_prefix( $module_id );
if ( $module_id === $module_path ) {
return $module_id;
}
$path = dirname( $metadata['file'] );
$module_asset_raw_path = $path . '/' . substr_replace( $module_path, '.asset.php', - strlen( '.js' ) );
$module_id = generate_block_asset_handle( $metadata['name'], $field_name, $index );
$module_asset_path = wp_normalize_path(
realpath( $module_asset_raw_path )
);
$module_path_norm = wp_normalize_path( realpath( $path . '/' . $module_path ) );
$module_uri = get_block_asset_url( $module_path_norm );
$module_asset = ! empty( $module_asset_path ) ? require $module_asset_path : array();
$module_dependencies = $module_asset['dependencies'] ?? array();
$block_version = $metadata['version'] ?? false;
$module_version = $module_asset['version'] ?? $block_version;
$supports_interactivity_true = isset( $metadata['supports']['interactivity'] ) && true === $metadata['supports']['interactivity'];
$is_interactive = $supports_interactivity_true || ( isset( $metadata['supports']['interactivity']['interactive'] ) && true === $metadata['supports']['interactivity']['interactive'] );
$supports_client_navigation = $supports_interactivity_true || ( isset( $metadata['supports']['interactivity']['clientNavigation'] ) && true === $metadata['supports']['interactivity']['clientNavigation'] );
$args = array();
// Blocks using the Interactivity API are server-side rendered, so they are
// by design not in the critical rendering path and should be deprioritized.
if ( $is_interactive ) {
$args['fetchpriority'] = 'low';
$args['in_footer'] = true;
}
// Blocks using the Interactivity API that support client-side navigation
// must be marked as such in their script modules.
if ( $is_interactive && $supports_client_navigation ) {
wp_interactivity()->add_client_navigation_support_to_script_module( $module_id );
}
wp_register_script_module(
$module_id,
$module_uri,
$module_dependencies,
$module_version,
$args
);
return $module_id;
}
/**
* Finds a script handle for the selected block metadata field. It detects
* when a path to file was provided and optionally finds a corresponding asset
* file with details necessary to register the script under automatically
* generated handle name. It returns unprocessed script handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
* @since 6.5.0 The asset file is optional. Added script handle support in the asset file.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the script to register when multiple items passed.
* Default 0.
* @return string|false Script handle provided directly or created through
* script's registration, or false on failure.
*/
function register_block_script_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$script_handle_or_path = $metadata[ $field_name ];
if ( is_array( $script_handle_or_path ) ) {
if ( empty( $script_handle_or_path[ $index ] ) ) {
return false;
}
$script_handle_or_path = $script_handle_or_path[ $index ];
}
$script_path = remove_block_asset_path_prefix( $script_handle_or_path );
if ( $script_handle_or_path === $script_path ) {
return $script_handle_or_path;
}
$path = dirname( $metadata['file'] );
$script_asset_raw_path = $path . '/' . substr_replace( $script_path, '.asset.php', - strlen( '.js' ) );
$script_asset_path = wp_normalize_path(
realpath( $script_asset_raw_path )
);
// Asset file for blocks is optional. See https://core.trac.wordpress.org/ticket/60460.
$script_asset = ! empty( $script_asset_path ) ? require $script_asset_path : array();
$script_handle = $script_asset['handle'] ??
generate_block_asset_handle( $metadata['name'], $field_name, $index );
if ( wp_script_is( $script_handle, 'registered' ) ) {
return $script_handle;
}
$script_path_norm = wp_normalize_path( realpath( $path . '/' . $script_path ) );
$script_uri = get_block_asset_url( $script_path_norm );
$script_dependencies = $script_asset['dependencies'] ?? array();
$block_version = $metadata['version'] ?? false;
$script_version = $script_asset['version'] ?? $block_version;
$script_args = array();
if ( 'viewScript' === $field_name && $script_uri ) {
$script_args['strategy'] = 'defer';
}
$result = wp_register_script(
$script_handle,
$script_uri,
$script_dependencies,
$script_version,
$script_args
);
if ( ! $result ) {
return false;
}
if ( ! empty( $metadata['textdomain'] ) && in_array( 'wp-i18n', $script_dependencies, true ) ) {
wp_set_script_translations( $script_handle, $metadata['textdomain'] );
}
return $script_handle;
}
/**
* Finds a style handle for the block metadata field. It detects when a path
* to file was provided and registers the style under automatically
* generated handle name. It returns unprocessed style handle otherwise.
*
* @since 5.5.0
* @since 6.1.0 Added `$index` parameter.
*
* @param array $metadata Block metadata.
* @param string $field_name Field name to pick from metadata.
* @param int $index Optional. Index of the style to register when multiple items passed.
* Default 0.
* @return string|false Style handle provided directly or created through
* style's registration, or false on failure.
*/
function register_block_style_handle( $metadata, $field_name, $index = 0 ) {
if ( empty( $metadata[ $field_name ] ) ) {
return false;
}
$style_handle = $metadata[ $field_name ];
if ( is_array( $style_handle ) ) {
if ( empty( $style_handle[ $index ] ) ) {
return false;
}
$style_handle = $style_handle[ $index ];
}
$style_handle_name = generate_block_asset_handle( $metadata['name'], $field_name, $index );
// If the style handle is already registered, skip re-registering.
if ( wp_style_is( $style_handle_name, 'registered' ) ) {
return $style_handle_name;
}
static $wpinc_path_norm = '';
if ( ! $wpinc_path_norm ) {
$wpinc_path_norm = wp_normalize_path( realpath( ABSPATH . WPINC ) );
}
$is_core_block = isset( $metadata['file'] ) && str_starts_with( $metadata['file'], $wpinc_path_norm );
// Skip registering individual styles for each core block when a bundled version provided.
if ( $is_core_block && ! wp_should_load_separate_core_block_assets() ) {
return false;
}
$style_path = remove_block_asset_path_prefix( $style_handle );
$is_style_handle = $style_handle === $style_path;
// Allow only passing style handles for core blocks.
if ( $is_core_block && ! $is_style_handle ) {
return false;
}
// Return the style handle unless it's the first item for every core block that requires special treatment.
if ( $is_style_handle && ! ( $is_core_block && 0 === $index ) ) {
return $style_handle;
}
// Check whether styles should have a ".min" suffix or not.
$suffix = SCRIPT_DEBUG ? '' : '.min';
if ( $is_core_block ) {
$style_path = ( 'editorStyle' === $field_name ) ? "editor{$suffix}.css" : "style{$suffix}.css";
}
$style_path_norm = wp_normalize_path( realpath( dirname( $metadata['file'] ) . '/' . $style_path ) );
$style_uri = get_block_asset_url( $style_path_norm );
$block_version = ! $is_core_block && isset( $metadata['version'] ) ? $metadata['version'] : false;
$version = $style_path_norm && defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? filemtime( $style_path_norm ) : $block_version;
$result = wp_register_style(
$style_handle_name,
$style_uri,
array(),
$version
);
if ( ! $result ) {
return false;
}
if ( $style_uri ) {
wp_style_add_data( $style_handle_name, 'path', $style_path_norm );
if ( $is_core_block ) {
$rtl_file = str_replace( "{$suffix}.css", "-rtl{$suffix}.css", $style_path_norm );
} else {
$rtl_file = str_replace( '.css', '-rtl.css', $style_path_norm );
}
if ( is_rtl() && file_exists( $rtl_file ) ) {
wp_style_add_data( $style_handle_name, 'rtl', 'replace' );
wp_style_add_data( $style_handle_name, 'suffix', $suffix );
wp_style_add_data( $style_handle_name, 'path', $rtl_file );
}
}
return $style_handle_name;
}
/**
* Gets i18n schema for block's metadata read from `block.json` file.
*
* @since 5.9.0
*
* @return object The schema for block's metadata.
*/
function get_block_metadata_i18n_schema() {
static $i18n_block_schema;
if ( ! isset( $i18n_block_schema ) ) {
$i18n_block_schema = wp_json_file_decode( __DIR__ . '/block-i18n.json' );
}
return $i18n_block_schema;
}
/**
* Registers all block types from a block metadata collection.
*
* This can either reference a previously registered metadata collection or, if the `$manifest` parameter is provided,
* register the metadata collection directly within the same function call.
*
* @since 6.8.0
* @see wp_register_block_metadata_collection()
* @see register_block_type_from_metadata()
*
* @param string $path The absolute base path for the collection ( e.g., WP_PLUGIN_DIR . '/my-plugin/blocks/' ).
* @param string $manifest Optional. The absolute path to the manifest file containing the metadata collection, in
* order to register the collection. If this parameter is not provided, the `$path` parameter
* must reference a previously registered block metadata collection.
*/
function wp_register_block_types_from_metadata_collection( $path, $manifest = '' ) {
if ( $manifest ) {
wp_register_block_metadata_collection( $path, $manifest );
}
$block_metadata_files = WP_Block_Metadata_Registry::get_collection_block_metadata_files( $path );
foreach ( $block_metadata_files as $block_metadata_file ) {
register_block_type_from_metadata( $block_metadata_file );
}
}
/**
* Registers a block metadata collection.
*
* This function allows core and third-party plugins to register their block metadata
* collections in a centralized location. Registering collections can improve performance
* by avoiding multiple reads from the filesystem and parsing JSON.
*
* @since 6.7.0
*
* @param string $path The base path in which block files for the collection reside.
* @param string $manifest The path to the manifest file for the collection.
*/
function wp_register_block_metadata_collection( $path, $manifest ) {
WP_Block_Metadata_Registry::register_collection( $path, $manifest );
}
/**
* Registers a block type from the metadata stored in the `block.json` file.
*
* @since 5.5.0
* @since 5.7.0 Added support for `textdomain` field and i18n handling for all translatable fields.
* @since 5.9.0 Added support for `variations` and `viewScript` fields.
* @since 6.1.0 Added support for `render` field.
* @since 6.3.0 Added `selectors` field.
* @since 6.4.0 Added support for `blockHooks` field.
* @since 6.5.0 Added support for `allowedBlocks`, `viewScriptModule`, and `viewStyle` fields.
* @since 6.7.0 Allow PHP filename as `variations` argument.
*
* @param string $file_or_folder Path to the JSON file with metadata definition for
* the block or path to the folder where the `block.json` file is located.
* If providing the path to a JSON file, the filename must end with `block.json`.
* @param array $args Optional. Array of block type arguments. Accepts any public property
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
* on accepted arguments. Default empty array.
* @return WP_Block_Type|false The registered block type on success, or false on failure.
*/
function register_block_type_from_metadata( $file_or_folder, $args = array() ) {
/*
* Get an array of metadata from a PHP file.
* This improves performance for core blocks as it's only necessary to read a single PHP file
* instead of reading a JSON file per-block, and then decoding from JSON to PHP.
* Using a static variable ensures that the metadata is only read once per request.
*/
$file_or_folder = wp_normalize_path( $file_or_folder );
$metadata_file = ( ! str_ends_with( $file_or_folder, 'block.json' ) ) ?
trailingslashit( $file_or_folder ) . 'block.json' :
$file_or_folder;
$is_core_block = str_starts_with( $file_or_folder, wp_normalize_path( ABSPATH . WPINC ) );
$metadata_file_exists = $is_core_block || file_exists( $metadata_file );
$registry_metadata = WP_Block_Metadata_Registry::get_metadata( $file_or_folder );
if ( $registry_metadata ) {
$metadata = $registry_metadata;
} elseif ( $metadata_file_exists ) {
$metadata = wp_json_file_decode( $metadata_file, array( 'associative' => true ) );
} else {
$metadata = array();
}
if ( ! is_array( $metadata ) || ( empty( $metadata['name'] ) && empty( $args['name'] ) ) ) {
return false;
}
$metadata['file'] = $metadata_file_exists ? wp_normalize_path( realpath( $metadata_file ) ) : null;
/**
* Filters the metadata provided for registering a block type.
*
* @since 5.7.0
*
* @param array $metadata Metadata for registering a block type.
*/
$metadata = apply_filters( 'block_type_metadata', $metadata );
// Add `style` and `editor_style` for core blocks if missing.
if ( ! empty( $metadata['name'] ) && str_starts_with( $metadata['name'], 'core/' ) ) {
$block_name = str_replace( 'core/', '', $metadata['name'] );
if ( ! isset( $metadata['style'] ) ) {
$metadata['style'] = "wp-block-$block_name";
}
if ( current_theme_supports( 'wp-block-styles' ) && wp_should_load_separate_core_block_assets() ) {
$metadata['style'] = (array) $metadata['style'];
$metadata['style'][] = "wp-block-{$block_name}-theme";
}
if ( ! isset( $metadata['editorStyle'] ) ) {
$metadata['editorStyle'] = "wp-block-{$block_name}-editor";
}
}
$settings = array();
$property_mappings = array(
'apiVersion' => 'api_version',
'name' => 'name',
'title' => 'title',
'category' => 'category',
'parent' => 'parent',
'ancestor' => 'ancestor',
'icon' => 'icon',
'description' => 'description',
'keywords' => 'keywords',
'attributes' => 'attributes',
'providesContext' => 'provides_context',
'usesContext' => 'uses_context',
'selectors' => 'selectors',
'supports' => 'supports',
'styles' => 'styles',
'variations' => 'variations',
'example' => 'example',
'allowedBlocks' => 'allowed_blocks',
);
$textdomain = ! empty( $metadata['textdomain'] ) ? $metadata['textdomain'] : null;
$i18n_schema = get_block_metadata_i18n_schema();
foreach ( $property_mappings as $key => $mapped_key ) {
if ( isset( $metadata[ $key ] ) ) {
$settings[ $mapped_key ] = $metadata[ $key ];
if ( $metadata_file_exists && $textdomain && isset( $i18n_schema->$key ) ) {
$settings[ $mapped_key ] = translate_settings_using_i18n_schema( $i18n_schema->$key, $settings[ $key ], $textdomain );
}
}
}
if ( ! empty( $metadata['render'] ) ) {
$template_path = wp_normalize_path(
realpath(
dirname( $metadata['file'] ) . '/' .
remove_block_asset_path_prefix( $metadata['render'] )
)
);
if ( $template_path ) {
/**
* Renders the block on the server.
*
* @since 6.1.0
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
*
* @return string Returns the block content.
*/
$settings['render_callback'] = static function ( $attributes, $content, $block ) use ( $template_path ) {
ob_start();
require $template_path;
return ob_get_clean();
};
}
}
// If `variations` is a string, it's the name of a PHP file that
// generates the variations.
if ( ! empty( $metadata['variations'] ) && is_string( $metadata['variations'] ) ) {
$variations_path = wp_normalize_path(
realpath(
dirname( $metadata['file'] ) . '/' .
remove_block_asset_path_prefix( $metadata['variations'] )
)
);
if ( $variations_path ) {
/**
* Generates the list of block variations.
*
* @since 6.7.0
*
* @return string Returns the list of block variations.
*/
$settings['variation_callback'] = static function () use ( $variations_path ) {
$variations = require $variations_path;
return $variations;
};
// The block instance's `variations` field is only allowed to be an array
// (of known block variations). We unset it so that the block instance will
// provide a getter that returns the result of the `variation_callback` instead.
unset( $settings['variations'] );
}
}
$settings = array_merge( $settings, $args );
$script_fields = array(
'editorScript' => 'editor_script_handles',
'script' => 'script_handles',
'viewScript' => 'view_script_handles',
);
foreach ( $script_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
}
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$scripts = $metadata[ $metadata_field_name ];
$processed_scripts = array();
if ( is_array( $scripts ) ) {
for ( $index = 0; $index < count( $scripts ); $index++ ) {
$result = register_block_script_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
} else {
$result = register_block_script_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_scripts[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_scripts;
}
}
$module_fields = array(
'viewScriptModule' => 'view_script_module_ids',
);
foreach ( $module_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
}
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$modules = $metadata[ $metadata_field_name ];
$processed_modules = array();
if ( is_array( $modules ) ) {
for ( $index = 0; $index < count( $modules ); $index++ ) {
$result = register_block_script_module_id(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_modules[] = $result;
}
}
} else {
$result = register_block_script_module_id(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_modules[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_modules;
}
}
$style_fields = array(
'editorStyle' => 'editor_style_handles',
'style' => 'style_handles',
'viewStyle' => 'view_style_handles',
);
foreach ( $style_fields as $metadata_field_name => $settings_field_name ) {
if ( ! empty( $settings[ $metadata_field_name ] ) ) {
$metadata[ $metadata_field_name ] = $settings[ $metadata_field_name ];
}
if ( ! empty( $metadata[ $metadata_field_name ] ) ) {
$styles = $metadata[ $metadata_field_name ];
$processed_styles = array();
if ( is_array( $styles ) ) {
for ( $index = 0; $index < count( $styles ); $index++ ) {
$result = register_block_style_handle(
$metadata,
$metadata_field_name,
$index
);
if ( $result ) {
$processed_styles[] = $result;
}
}
} else {
$result = register_block_style_handle(
$metadata,
$metadata_field_name
);
if ( $result ) {
$processed_styles[] = $result;
}
}
$settings[ $settings_field_name ] = $processed_styles;
}
}
if ( ! empty( $metadata['blockHooks'] ) ) {
/**
* Map camelCased position string (from block.json) to snake_cased block type position.
*
* @var array
*/
$position_mappings = array(
'before' => 'before',
'after' => 'after',
'firstChild' => 'first_child',
'lastChild' => 'last_child',
);
$settings['block_hooks'] = array();
foreach ( $metadata['blockHooks'] as $anchor_block_name => $position ) {
// Avoid infinite recursion (hooking to itself).
if ( $metadata['name'] === $anchor_block_name ) {
_doing_it_wrong(
__METHOD__,
__( 'Cannot hook block to itself.' ),
'6.4.0'
);
continue;
}
if ( ! isset( $position_mappings[ $position ] ) ) {
continue;
}
$settings['block_hooks'][ $anchor_block_name ] = $position_mappings[ $position ];
}
}
/**
* Filters the settings determined from the block type metadata.
*
* @since 5.7.0
*
* @param array $settings Array of determined settings for registering a block type.
* @param array $metadata Metadata provided for registering a block type.
*/
$settings = apply_filters( 'block_type_metadata_settings', $settings, $metadata );
$metadata['name'] = ! empty( $settings['name'] ) ? $settings['name'] : $metadata['name'];
return WP_Block_Type_Registry::get_instance()->register(
$metadata['name'],
$settings
);
}
/**
* Registers a block type. The recommended way is to register a block type using
* the metadata stored in the `block.json` file.
*
* @since 5.0.0
* @since 5.8.0 First parameter now accepts a path to the `block.json` file.
*
* @param string|WP_Block_Type $block_type Block type name including namespace, or alternatively
* a path to the JSON file with metadata definition for the block,
* or a path to the folder where the `block.json` file is located,
* or a complete WP_Block_Type instance.
* In case a WP_Block_Type is provided, the $args parameter will be ignored.
* @param array $args Optional. Array of block type arguments. Accepts any public property
* of `WP_Block_Type`. See WP_Block_Type::__construct() for information
* on accepted arguments. Default empty array.
*
* @return WP_Block_Type|false The registered block type on success, or false on failure.
*/
function register_block_type( $block_type, $args = array() ) {
if ( is_string( $block_type ) && file_exists( $block_type ) ) {
return register_block_type_from_metadata( $block_type, $args );
}
return WP_Block_Type_Registry::get_instance()->register( $block_type, $args );
}
/**
* Unregisters a block type.
*
* @since 5.0.0
*
* @param string|WP_Block_Type $name Block type name including namespace, or alternatively
* a complete WP_Block_Type instance.
* @return WP_Block_Type|false The unregistered block type on success, or false on failure.
*/
function unregister_block_type( $name ) {
return WP_Block_Type_Registry::get_instance()->unregister( $name );
}
/**
* Determines whether a post or content string has blocks.
*
* This test optimizes for performance rather than strict accuracy, detecting
* the pattern of a block but not validating its structure. For strict accuracy,
* you should use the block parser on post content.
*
* @since 5.0.0
*
* @see parse_blocks()
*
* @param int|string|WP_Post|null $post Optional. Post content, post ID, or post object.
* Defaults to global $post.
* @return bool Whether the post has blocks.
*/
function has_blocks( $post = null ) {
if ( ! is_string( $post ) ) {
$wp_post = get_post( $post );
if ( ! $wp_post instanceof WP_Post ) {
return false;
}
$post = $wp_post->post_content;
}
return str_contains( (string) $post, '' ) + strlen( '-->' );
$end = strrpos( $serialized_block, '' ) + strlen( '-->' );
$end = strrpos( $serialized_block, '', $serialized_block_name, $serialized_attributes );
}
return sprintf(
'%s',
$serialized_block_name,
$serialized_attributes,
$block_content,
$serialized_block_name
);
}
/**
* Returns the content of a block, including comment delimiters, serializing all
* attributes from the given parsed block.
*
* This should be used when preparing a block to be saved to post content.
* Prefer `render_block` when preparing a block for display. Unlike
* `render_block`, this does not evaluate a block's `render_callback`, and will
* instead preserve the markup as parsed.
*
* @since 5.3.1
*
* @param array $block {
* An associative array of a single parsed block object. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @return string String of rendered HTML.
*/
function serialize_block( $block ) {
$block_content = '';
$index = 0;
foreach ( $block['innerContent'] as $chunk ) {
$block_content .= is_string( $chunk ) ? $chunk : serialize_block( $block['innerBlocks'][ $index++ ] );
}
if ( ! is_array( $block['attrs'] ) ) {
$block['attrs'] = array();
}
return get_comment_delimited_block_content(
$block['blockName'],
$block['attrs'],
$block_content
);
}
/**
* Returns a joined string of the aggregate serialization of the given
* parsed blocks.
*
* @since 5.3.1
*
* @param array[] $blocks {
* Array of block structures.
*
* @type array ...$0 {
* An associative array of a single parsed block object. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* }
* @return string String of rendered HTML.
*/
function serialize_blocks( $blocks ) {
return implode( '', array_map( 'serialize_block', $blocks ) );
}
/**
* Traverses a parsed block tree and applies callbacks before and after serializing it.
*
* Recursively traverses the block and its inner blocks and applies the two callbacks provided as
* arguments, the first one before serializing the block, and the second one after serializing it.
* If either callback returns a string value, it will be prepended and appended to the serialized
* block markup, respectively.
*
* The callbacks will receive a reference to the current block as their first argument, so that they
* can also modify it, and the current block's parent block as second argument. Finally, the
* `$pre_callback` receives the previous block, whereas the `$post_callback` receives
* the next block as third argument.
*
* Serialized blocks are returned including comment delimiters, and with all attributes serialized.
*
* This function should be used when there is a need to modify the saved block, or to inject markup
* into the return value. Prefer `serialize_block` when preparing a block to be saved to post content.
*
* This function is meant for internal use only.
*
* @since 6.4.0
* @access private
*
* @see serialize_block()
*
* @param array $block An associative array of a single parsed block object. See WP_Block_Parser_Block.
* @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $previous_block.
* Its string return value will be prepended to the serialized block markup.
* @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $next_block.
* Its string return value will be appended to the serialized block markup.
* @return string Serialized block markup.
*/
function traverse_and_serialize_block( $block, $pre_callback = null, $post_callback = null ) {
$block_content = '';
$block_index = 0;
foreach ( $block['innerContent'] as $chunk ) {
if ( is_string( $chunk ) ) {
$block_content .= $chunk;
} else {
$inner_block = $block['innerBlocks'][ $block_index ];
if ( is_callable( $pre_callback ) ) {
$prev = 0 === $block_index
? null
: $block['innerBlocks'][ $block_index - 1 ];
$block_content .= call_user_func_array(
$pre_callback,
array( &$inner_block, &$block, $prev )
);
}
if ( is_callable( $post_callback ) ) {
$next = count( $block['innerBlocks'] ) - 1 === $block_index
? null
: $block['innerBlocks'][ $block_index + 1 ];
$post_markup = call_user_func_array(
$post_callback,
array( &$inner_block, &$block, $next )
);
}
$block_content .= traverse_and_serialize_block( $inner_block, $pre_callback, $post_callback );
$block_content .= $post_markup ?? '';
++$block_index;
}
}
if ( ! is_array( $block['attrs'] ) ) {
$block['attrs'] = array();
}
return get_comment_delimited_block_content(
$block['blockName'],
$block['attrs'],
$block_content
);
}
/**
* Replaces patterns in a block tree with their content.
*
* @since 6.6.0
* @since 7.0.0 Adds metadata to attributes of single-pattern container blocks.
*
* @param array $blocks An array blocks.
*
* @return array An array of blocks with patterns replaced by their content.
*/
function resolve_pattern_blocks( $blocks ) {
static $inner_content;
// Keep track of seen references to avoid infinite loops.
static $seen_refs = array();
$i = 0;
while ( $i < count( $blocks ) ) {
if ( 'core/pattern' === $blocks[ $i ]['blockName'] ) {
$attrs = $blocks[ $i ]['attrs'];
if ( empty( $attrs['slug'] ) ) {
++$i;
continue;
}
$slug = $attrs['slug'];
if ( isset( $seen_refs[ $slug ] ) ) {
// Skip recursive patterns.
array_splice( $blocks, $i, 1 );
continue;
}
$registry = WP_Block_Patterns_Registry::get_instance();
$pattern = $registry->get_registered( $slug );
// Skip unknown patterns.
if ( ! $pattern ) {
++$i;
continue;
}
$blocks_to_insert = parse_blocks( trim( $pattern['content'] ) );
/*
* For single-root patterns, add the pattern name to make this a pattern instance in the editor.
* If the pattern has metadata, merge it with the existing metadata.
*/
if ( count( $blocks_to_insert ) === 1 ) {
$block_metadata = $blocks_to_insert[0]['attrs']['metadata'] ?? array();
$block_metadata['patternName'] = $slug;
/*
* Merge pattern metadata with existing block metadata.
* Pattern metadata takes precedence, but existing block metadata
* is preserved as a fallback when the pattern doesn't define that field.
* Only the defined fields (name, description, categories) are updated;
* other metadata keys are preserved.
*/
foreach ( array(
'name' => 'title', // 'title' is the field in the pattern object 'name' is the field in the block metadata.
'description' => 'description',
'categories' => 'categories',
) as $key => $pattern_key ) {
$value = $pattern[ $pattern_key ] ?? $block_metadata[ $key ] ?? null;
if ( $value ) {
$block_metadata[ $key ] = is_array( $value )
? array_map( 'sanitize_text_field', $value )
: sanitize_text_field( $value );
}
}
$blocks_to_insert[0]['attrs']['metadata'] = $block_metadata;
}
$seen_refs[ $slug ] = true;
$prev_inner_content = $inner_content;
$inner_content = null;
$blocks_to_insert = resolve_pattern_blocks( $blocks_to_insert );
$inner_content = $prev_inner_content;
unset( $seen_refs[ $slug ] );
array_splice( $blocks, $i, 1, $blocks_to_insert );
// If we have inner content, we need to insert nulls in the
// inner content array, otherwise serialize_blocks will skip
// blocks.
if ( $inner_content ) {
$null_indices = array_keys( $inner_content, null, true );
$content_index = $null_indices[ $i ];
$nulls = array_fill( 0, count( $blocks_to_insert ), null );
array_splice( $inner_content, $content_index, 1, $nulls );
}
// Skip inserted blocks.
$i += count( $blocks_to_insert );
} else {
if ( ! empty( $blocks[ $i ]['innerBlocks'] ) ) {
$prev_inner_content = $inner_content;
$inner_content = $blocks[ $i ]['innerContent'];
$blocks[ $i ]['innerBlocks'] = resolve_pattern_blocks(
$blocks[ $i ]['innerBlocks']
);
$blocks[ $i ]['innerContent'] = $inner_content;
$inner_content = $prev_inner_content;
}
++$i;
}
}
return $blocks;
}
/**
* Given an array of parsed block trees, applies callbacks before and after serializing them and
* returns their concatenated output.
*
* Recursively traverses the blocks and their inner blocks and applies the two callbacks provided as
* arguments, the first one before serializing a block, and the second one after serializing.
* If either callback returns a string value, it will be prepended and appended to the serialized
* block markup, respectively.
*
* The callbacks will receive a reference to the current block as their first argument, so that they
* can also modify it, and the current block's parent block as second argument. Finally, the
* `$pre_callback` receives the previous block, whereas the `$post_callback` receives
* the next block as third argument.
*
* Serialized blocks are returned including comment delimiters, and with all attributes serialized.
*
* This function should be used when there is a need to modify the saved blocks, or to inject markup
* into the return value. Prefer `serialize_blocks` when preparing blocks to be saved to post content.
*
* This function is meant for internal use only.
*
* @since 6.4.0
* @access private
*
* @see serialize_blocks()
*
* @param array[] $blocks An array of parsed blocks. See WP_Block_Parser_Block.
* @param callable $pre_callback Callback to run on each block in the tree before it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $previous_block.
* Its string return value will be prepended to the serialized block markup.
* @param callable $post_callback Callback to run on each block in the tree after it is traversed and serialized.
* It is called with the following arguments: &$block, $parent_block, $next_block.
* Its string return value will be appended to the serialized block markup.
* @return string Serialized block markup.
*/
function traverse_and_serialize_blocks( $blocks, $pre_callback = null, $post_callback = null ) {
$result = '';
$parent_block = null; // At the top level, there is no parent block to pass to the callbacks; yet the callbacks expect a reference.
$pre_callback_is_callable = is_callable( $pre_callback );
$post_callback_is_callable = is_callable( $post_callback );
foreach ( $blocks as $index => $block ) {
if ( $pre_callback_is_callable ) {
$prev = 0 === $index
? null
: $blocks[ $index - 1 ];
$result .= call_user_func_array(
$pre_callback,
array( &$block, &$parent_block, $prev )
);
}
if ( $post_callback_is_callable ) {
$next = count( $blocks ) - 1 === $index
? null
: $blocks[ $index + 1 ];
$post_markup = call_user_func_array(
$post_callback,
array( &$block, &$parent_block, $next )
);
}
$result .= traverse_and_serialize_block( $block, $pre_callback, $post_callback );
$result .= $post_markup ?? '';
}
return $result;
}
/**
* Filters and sanitizes block content to remove non-allowable HTML
* from parsed block attribute values.
*
* @since 5.3.1
*
* @param string $text Text that may contain block content.
* @param array[]|string $allowed_html Optional. An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names. Default 'post'.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return string The filtered and sanitized content result.
*/
function filter_block_content( $text, $allowed_html = 'post', $allowed_protocols = array() ) {
$result = '';
if ( str_contains( $text, '' ) ) {
$text = preg_replace_callback( '%%', '_filter_block_content_callback', $text );
}
$blocks = parse_blocks( $text );
foreach ( $blocks as $block ) {
$block = filter_block_kses( $block, $allowed_html, $allowed_protocols );
$result .= serialize_block( $block );
}
return $result;
}
/**
* Callback used for regular expression replacement in filter_block_content().
*
* @since 6.2.1
* @access private
*
* @param array $matches Array of preg_replace_callback matches.
* @return string Replacement string.
*/
function _filter_block_content_callback( $matches ) {
return '';
}
/**
* Filters and sanitizes a parsed block to remove non-allowable HTML
* from block attribute values.
*
* @since 5.3.1
*
* @param WP_Block_Parser_Block $block The parsed block object.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @return array The filtered and sanitized block object result.
*/
function filter_block_kses( $block, $allowed_html, $allowed_protocols = array() ) {
$block['attrs'] = filter_block_kses_value( $block['attrs'], $allowed_html, $allowed_protocols, $block );
if ( is_array( $block['innerBlocks'] ) ) {
foreach ( $block['innerBlocks'] as $i => $inner_block ) {
$block['innerBlocks'][ $i ] = filter_block_kses( $inner_block, $allowed_html, $allowed_protocols );
}
}
return $block;
}
/**
* Filters and sanitizes a parsed block attribute value to remove
* non-allowable HTML.
*
* @since 5.3.1
* @since 6.5.5 Added the `$block_context` parameter.
*
* @param string[]|string $value The attribute value to filter.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @param string[] $allowed_protocols Optional. Array of allowed URL protocols.
* Defaults to the result of wp_allowed_protocols().
* @param array $block_context Optional. The block the attribute belongs to, in parsed block array format.
* @return string[]|string The filtered and sanitized result.
*/
function filter_block_kses_value( $value, $allowed_html, $allowed_protocols = array(), $block_context = null ) {
if ( is_array( $value ) ) {
foreach ( $value as $key => $inner_value ) {
$filtered_key = filter_block_kses_value( $key, $allowed_html, $allowed_protocols, $block_context );
$filtered_value = filter_block_kses_value( $inner_value, $allowed_html, $allowed_protocols, $block_context );
if ( isset( $block_context['blockName'] ) && 'core/template-part' === $block_context['blockName'] ) {
$filtered_value = filter_block_core_template_part_attributes( $filtered_value, $filtered_key, $allowed_html );
}
if ( $filtered_key !== $key ) {
unset( $value[ $key ] );
}
$value[ $filtered_key ] = $filtered_value;
}
} elseif ( is_string( $value ) ) {
return wp_kses( $value, $allowed_html, $allowed_protocols );
}
return $value;
}
/**
* Sanitizes the value of the Template Part block's `tagName` attribute.
*
* @since 6.5.5
*
* @param string $attribute_value The attribute value to filter.
* @param string $attribute_name The attribute name.
* @param array[]|string $allowed_html An array of allowed HTML elements and attributes,
* or a context name such as 'post'. See wp_kses_allowed_html()
* for the list of accepted context names.
* @return string The sanitized attribute value.
*/
function filter_block_core_template_part_attributes( $attribute_value, $attribute_name, $allowed_html ) {
if ( empty( $attribute_value ) || 'tagName' !== $attribute_name ) {
return $attribute_value;
}
if ( ! is_array( $allowed_html ) ) {
$allowed_html = wp_kses_allowed_html( $allowed_html );
}
return isset( $allowed_html[ $attribute_value ] ) ? $attribute_value : '';
}
/**
* Parses blocks out of a content string, and renders those appropriate for the excerpt.
*
* As the excerpt should be a small string of text relevant to the full post content,
* this function renders the blocks that are most likely to contain such text.
*
* @since 5.0.0
*
* @param string $content The content to parse.
* @return string The parsed and filtered content.
*/
function excerpt_remove_blocks( $content ) {
if ( ! has_blocks( $content ) ) {
return $content;
}
$allowed_inner_blocks = array(
// Classic blocks have their blockName set to null.
null,
'core/freeform',
'core/heading',
'core/html',
'core/list',
'core/media-text',
'core/paragraph',
'core/preformatted',
'core/pullquote',
'core/quote',
'core/table',
'core/verse',
);
$allowed_wrapper_blocks = array(
'core/columns',
'core/column',
'core/group',
);
/**
* Filters the list of blocks that can be used as wrapper blocks, allowing
* excerpts to be generated from the `innerBlocks` of these wrappers.
*
* @since 5.8.0
*
* @param string[] $allowed_wrapper_blocks The list of names of allowed wrapper blocks.
*/
$allowed_wrapper_blocks = apply_filters( 'excerpt_allowed_wrapper_blocks', $allowed_wrapper_blocks );
$allowed_blocks = array_merge( $allowed_inner_blocks, $allowed_wrapper_blocks );
/**
* Filters the list of blocks that can contribute to the excerpt.
*
* If a dynamic block is added to this list, it must not generate another
* excerpt, as this will cause an infinite loop to occur.
*
* @since 5.0.0
*
* @param string[] $allowed_blocks The list of names of allowed blocks.
*/
$allowed_blocks = apply_filters( 'excerpt_allowed_blocks', $allowed_blocks );
$blocks = parse_blocks( $content );
$output = '';
foreach ( $blocks as $block ) {
if ( in_array( $block['blockName'], $allowed_blocks, true ) ) {
if ( ! empty( $block['innerBlocks'] ) ) {
if ( in_array( $block['blockName'], $allowed_wrapper_blocks, true ) ) {
$output .= _excerpt_render_inner_blocks( $block, $allowed_blocks );
continue;
}
// Skip the block if it has disallowed or nested inner blocks.
foreach ( $block['innerBlocks'] as $inner_block ) {
if (
! in_array( $inner_block['blockName'], $allowed_inner_blocks, true ) ||
! empty( $inner_block['innerBlocks'] )
) {
continue 2;
}
}
}
$output .= render_block( $block );
}
}
return $output;
}
/**
* Parses footnotes markup out of a content string,
* and renders those appropriate for the excerpt.
*
* @since 6.3.0
*
* @param string $content The content to parse.
* @return string The parsed and filtered content.
*/
function excerpt_remove_footnotes( $content ) {
if ( ! str_contains( $content, 'data-fn=' ) ) {
return $content;
}
return preg_replace(
'_\s*\d+\s*_',
'',
$content
);
}
/**
* Renders inner blocks from the allowed wrapper blocks
* for generating an excerpt.
*
* @since 5.8.0
* @access private
*
* @param array $parsed_block The parsed block.
* @param array $allowed_blocks The list of allowed inner blocks.
* @return string The rendered inner blocks.
*/
function _excerpt_render_inner_blocks( $parsed_block, $allowed_blocks ) {
$output = '';
foreach ( $parsed_block['innerBlocks'] as $inner_block ) {
if ( ! in_array( $inner_block['blockName'], $allowed_blocks, true ) ) {
continue;
}
if ( empty( $inner_block['innerBlocks'] ) ) {
$output .= render_block( $inner_block );
} else {
$output .= _excerpt_render_inner_blocks( $inner_block, $allowed_blocks );
}
}
return $output;
}
/**
* Renders a single block into a HTML string.
*
* @since 5.0.0
*
* @global WP_Post $post The post to edit.
*
* @param array $parsed_block {
* An associative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @return string String of rendered HTML.
*/
function render_block( $parsed_block ) {
global $post;
$parent_block = null;
/**
* Allows render_block() to be short-circuited, by returning a non-null value.
*
* @since 5.1.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param string|null $pre_render The pre-rendered content. Default null.
* @param array $parsed_block {
* An associative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$pre_render = apply_filters( 'pre_render_block', null, $parsed_block, $parent_block );
if ( ! is_null( $pre_render ) ) {
return $pre_render;
}
$source_block = $parsed_block;
/**
* Filters the block being rendered in render_block(), before it's processed.
*
* @since 5.1.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param array $parsed_block {
* An associative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param array $source_block {
* An un-modified copy of `$parsed_block`, as it appeared in the source content.
* See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$parsed_block = apply_filters( 'render_block_data', $parsed_block, $source_block, $parent_block );
$context = array();
if ( $post instanceof WP_Post ) {
$context['postId'] = $post->ID;
/*
* The `postType` context is largely unnecessary server-side, since the ID
* is usually sufficient on its own. That being said, since a block's
* manifest is expected to be shared between the server and the client,
* it should be included to consistently fulfill the expectation.
*/
$context['postType'] = $post->post_type;
}
/**
* Filters the default context provided to a rendered block.
*
* @since 5.5.0
* @since 5.9.0 The `$parent_block` parameter was added.
*
* @param array $context Default context.
* @param array $parsed_block {
* An associative array of the block being rendered. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* @param WP_Block|null $parent_block If this is a nested block, a reference to the parent block.
*/
$context = apply_filters( 'render_block_context', $context, $parsed_block, $parent_block );
$block = new WP_Block( $parsed_block, $context );
return $block->render();
}
/**
* Parses blocks out of a content string.
*
* Given an HTML document, this function fully-parses block content, producing
* a tree of blocks and their contents, as well as top-level non-block content,
* which will appear as a block with no `blockName`.
*
* This function can be memory heavy for certain documents, particularly those
* with deeply-nested blocks or blocks with extensive attribute values. Further,
* this function must parse an entire document in one atomic operation.
*
* If the entire parsed document is not necessary, consider using {@see WP_Block_Processor}
* instead, as it provides a streaming and low-overhead interface for finding blocks.
*
* @since 5.0.0
*
* @param string $content Post content.
* @return array[] {
* Array of block structures.
*
* @type array ...$0 {
* An associative array of a single parsed block object. See WP_Block_Parser_Block.
*
* @type string|null $blockName Name of block.
* @type array $attrs Attributes from block comment delimiters.
* @type array[] $innerBlocks List of inner blocks. An array of arrays that
* have the same structure as this one.
* @type string $innerHTML HTML from inside block comment delimiters.
* @type array $innerContent List of string fragments and null markers where
* inner blocks were found.
* }
* }
*/
function parse_blocks( $content ) {
/**
* Filter to allow plugins to replace the server-side block parser.
*
* @since 5.0.0
*
* @param string $parser_class Name of block parser class.
*/
$parser_class = apply_filters( 'block_parser_class', 'WP_Block_Parser' );
$parser = new $parser_class();
return $parser->parse( $content );
}
/**
* Parses dynamic blocks out of `post_content` and re-renders them.
*
* @since 5.0.0
*
* @param string $content Post content.
* @return string Updated post content.
*/
function do_blocks( $content ) {
$blocks = parse_blocks( $content );
$top_level_block_count = count( $blocks );
$output = '';
/**
* Parsed blocks consist of a list of top-level blocks. Those top-level
* blocks may themselves contain nested inner blocks. However, every
* top-level block is rendered independently, meaning there are no data
* dependencies between them.
*
* Ideally, therefore, the parser would only need to parse one complete
* top-level block at a time, render it, and move on. Unfortunately, this
* is not possible with {@see \parse_blocks()} because it must parse the
* entire given document at once.
*
* While the current implementation prevents this optimization, it’s still
* possible to reduce the peak memory use when calls to `render_block()`
* on those top-level blocks are memory-heavy (which many of them are).
* By setting each parsed block to `NULL` after rendering it, any memory
* allocated during the render will be freed and reused for the next block.
* Before making this change, that memory was retained and would lead to
* out-of-memory crashes for certain posts that now run with this change.
*/
for ( $i = 0; $i < $top_level_block_count; $i++ ) {
$output .= render_block( $blocks[ $i ] );
$blocks[ $i ] = null;
}
// If there are blocks in this content, we shouldn't run wpautop() on it later.
$priority = has_filter( 'the_content', 'wpautop' );
if ( false !== $priority && doing_filter( 'the_content' ) && has_blocks( $content ) ) {
remove_filter( 'the_content', 'wpautop', $priority );
add_filter( 'the_content', '_restore_wpautop_hook', $priority + 1 );
}
return $output;
}
/**
* If do_blocks() needs to remove wpautop() from the `the_content` filter, this re-adds it afterwards,
* for subsequent `the_content` usage.
*
* @since 5.0.0
* @access private
*
* @param string $content The post content running through this filter.
* @return string The unmodified content.
*/
function _restore_wpautop_hook( $content ) {
$current_priority = has_filter( 'the_content', '_restore_wpautop_hook' );
add_filter( 'the_content', 'wpautop', $current_priority - 1 );
remove_filter( 'the_content', '_restore_wpautop_hook', $current_priority );
return $content;
}
/**
* Returns the current version of the block format that the content string is using.
*
* If the string doesn't contain blocks, it returns 0.
*
* @since 5.0.0
*
* @param string $content Content to test.
* @return int The block format version is 1 if the content contains one or more blocks, 0 otherwise.
*/
function block_version( $content ) {
return has_blocks( $content ) ? 1 : 0;
}
/**
* Registers a new block style.
*
* @since 5.3.0
* @since 6.6.0 Added support for registering styles for multiple block types.
*
* @link https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/
*
* @param string|string[] $block_name Block type name including namespace or array of namespaced block type names.
* @param array $style_properties Array containing the properties of the style name, label,
* style_handle (name of the stylesheet to be enqueued),
* inline_style (string containing the CSS to be added),
* style_data (theme.json-like array to generate CSS from).
* See WP_Block_Styles_Registry::register().
* @return bool True if the block style was registered with success and false otherwise.
*/
function register_block_style( $block_name, $style_properties ) {
return WP_Block_Styles_Registry::get_instance()->register( $block_name, $style_properties );
}
/**
* Unregisters a block style.
*
* @since 5.3.0
*
* @param string $block_name Block type name including namespace.
* @param string $block_style_name Block style name.
* @return bool True if the block style was unregistered with success and false otherwise.
*/
function unregister_block_style( $block_name, $block_style_name ) {
return WP_Block_Styles_Registry::get_instance()->unregister( $block_name, $block_style_name );
}
/**
* Checks whether the current block type supports the feature requested.
*
* @since 5.8.0
* @since 6.4.0 The `$feature` parameter now supports a string.
*
* @param WP_Block_Type|null $block_type Block type to check for support.
* @param string|array $feature Feature slug, or path to a specific feature to check support for.
* @param mixed $default_value Optional. Fallback value for feature support. Default false.
* @return bool Whether the feature is supported.
*/
function block_has_support( $block_type, $feature, $default_value = false ) {
$block_support = $default_value;
if ( $block_type instanceof WP_Block_Type ) {
if ( is_array( $feature ) && count( $feature ) === 1 ) {
$feature = $feature[0];
}
if ( is_array( $feature ) ) {
$block_support = _wp_array_get( $block_type->supports, $feature, $default_value );
} elseif ( isset( $block_type->supports[ $feature ] ) ) {
$block_support = $block_type->supports[ $feature ];
}
}
return true === $block_support || is_array( $block_support );
}
/**
* Converts typography keys declared under `supports.*` to `supports.typography.*`.
*
* Displays a `_doing_it_wrong()` notice when a block using the older format is detected.
*
* @since 5.8.0
*
* @param array $metadata Metadata for registering a block type.
* @return array Filtered metadata for registering a block type.
*/
function wp_migrate_old_typography_shape( $metadata ) {
if ( ! isset( $metadata['supports'] ) ) {
return $metadata;
}
$typography_keys = array(
'__experimentalFontFamily',
'__experimentalFontStyle',
'__experimentalFontWeight',
'__experimentalLetterSpacing',
'__experimentalTextDecoration',
'__experimentalTextTransform',
'fontSize',
'lineHeight',
);
foreach ( $typography_keys as $typography_key ) {
$support_for_key = $metadata['supports'][ $typography_key ] ?? null;
if ( null !== $support_for_key ) {
_doing_it_wrong(
'register_block_type_from_metadata()',
sprintf(
/* translators: 1: Block type, 2: Typography supports key, e.g: fontSize, lineHeight, etc. 3: block.json, 4: Old metadata key, 5: New metadata key. */
__( 'Block "%1$s" is declaring %2$s support in %3$s file under %4$s. %2$s support is now declared under %5$s.' ),
$metadata['name'],
"$typography_key",
'block.json',
"supports.$typography_key",
"supports.typography.$typography_key"
),
'5.8.0'
);
_wp_array_set( $metadata['supports'], array( 'typography', $typography_key ), $support_for_key );
unset( $metadata['supports'][ $typography_key ] );
}
}
return $metadata;
}
/**
* Helper function that constructs a WP_Query args array from
* a `Query` block properties.
*
* It's used in Query Loop, Query Pagination Numbers and Query Pagination Next blocks.
*
* @since 5.8.0
* @since 6.1.0 Added `query_loop_block_query_vars` filter and `parents` support in query.
* @since 6.7.0 Added support for the `format` property in query.
* @since 7.0.0 Updated `taxQuery` structure.
*
* @param WP_Block $block Block instance.
* @param int $page Current query's page.
*
* @return array Returns the constructed WP_Query arguments.
*/
function build_query_vars_from_query_block( $block, $page ) {
$query = array(
'post_type' => 'post',
'order' => 'DESC',
'orderby' => 'date',
'post__not_in' => array(),
'tax_query' => array(),
);
if ( isset( $block->context['query'] ) ) {
if ( ! empty( $block->context['query']['postType'] ) ) {
$post_type_param = $block->context['query']['postType'];
if ( is_post_type_viewable( $post_type_param ) ) {
$query['post_type'] = $post_type_param;
}
}
if ( isset( $block->context['query']['sticky'] ) && ! empty( $block->context['query']['sticky'] ) ) {
$sticky = get_option( 'sticky_posts' );
if ( 'only' === $block->context['query']['sticky'] ) {
/*
* Passing an empty array to post__in will return have_posts() as true (and all posts will be returned).
* Logic should be used before hand to determine if WP_Query should be used in the event that the array
* being passed to post__in is empty.
*
* @see https://core.trac.wordpress.org/ticket/28099
*/
$query['post__in'] = ! empty( $sticky ) ? $sticky : array( 0 );
$query['ignore_sticky_posts'] = 1;
} elseif ( 'exclude' === $block->context['query']['sticky'] ) {
$query['post__not_in'] = array_merge( $query['post__not_in'], $sticky );
} elseif ( 'ignore' === $block->context['query']['sticky'] ) {
$query['ignore_sticky_posts'] = 1;
}
}
if ( ! empty( $block->context['query']['exclude'] ) ) {
$excluded_post_ids = array_map( 'intval', $block->context['query']['exclude'] );
$excluded_post_ids = array_filter( $excluded_post_ids );
$query['post__not_in'] = array_merge( $query['post__not_in'], $excluded_post_ids );
}
if (
isset( $block->context['query']['perPage'] ) &&
is_numeric( $block->context['query']['perPage'] )
) {
$per_page = absint( $block->context['query']['perPage'] );
$offset = 0;
if (
isset( $block->context['query']['offset'] ) &&
is_numeric( $block->context['query']['offset'] )
) {
$offset = absint( $block->context['query']['offset'] );
}
$query['offset'] = ( $per_page * ( $page - 1 ) ) + $offset;
$query['posts_per_page'] = $per_page;
}
// Migrate `categoryIds` and `tagIds` to `tax_query` for backwards compatibility.
if ( ! empty( $block->context['query']['categoryIds'] ) || ! empty( $block->context['query']['tagIds'] ) ) {
$tax_query_back_compat = array();
if ( ! empty( $block->context['query']['categoryIds'] ) ) {
$tax_query_back_compat[] = array(
'taxonomy' => 'category',
'terms' => array_filter( array_map( 'intval', $block->context['query']['categoryIds'] ) ),
'include_children' => false,
);
}
if ( ! empty( $block->context['query']['tagIds'] ) ) {
$tax_query_back_compat[] = array(
'taxonomy' => 'post_tag',
'terms' => array_filter( array_map( 'intval', $block->context['query']['tagIds'] ) ),
'include_children' => false,
);
}
$query['tax_query'] = array_merge( $query['tax_query'], $tax_query_back_compat );
}
if ( ! empty( $block->context['query']['taxQuery'] ) && is_array( $block->context['query']['taxQuery'] ) ) {
$tax_query_input = $block->context['query']['taxQuery'];
$tax_query = array();
// If there are keys other than include/exclude, it's the old
// format e.g. "taxQuery":{"category":[4]}
if ( ! empty( array_diff( array_keys( $tax_query_input ), array( 'include', 'exclude' ) ) ) ) {
foreach ( $block->context['query']['taxQuery'] as $taxonomy => $terms ) {
if ( is_taxonomy_viewable( $taxonomy ) && ! empty( $terms ) ) {
$tax_query[] = array(
'taxonomy' => $taxonomy,
'terms' => array_filter( array_map( 'intval', $terms ) ),
'include_children' => false,
);
}
}
} else {
// This is the new format e.g. "taxQuery":{"include":{"category":[4]},"exclude":{"post_tag":[5]}}
// Helper function to build tax_query conditions from taxonomy terms.
$build_conditions = static function ( $terms, string $operator = 'IN' ): array {
$terms = (array) $terms;
$conditions = array();
foreach ( $terms as $taxonomy => $tax_terms ) {
if ( ! empty( $tax_terms ) && is_taxonomy_viewable( $taxonomy ) ) {
$conditions[] = array(
'taxonomy' => $taxonomy,
'terms' => array_filter( array_map( 'intval', $tax_terms ) ),
'operator' => $operator,
'include_children' => false,
);
}
}
return $conditions;
};
// Separate exclude from include terms.
$exclude_terms = isset( $tax_query_input['exclude'] ) && is_array( $tax_query_input['exclude'] )
? $tax_query_input['exclude']
: array();
$include_terms = isset( $tax_query_input['include'] ) && is_array( $tax_query_input['include'] )
? $tax_query_input['include']
: array();
$tax_query = array_merge(
$build_conditions( $include_terms ),
$build_conditions( $exclude_terms, 'NOT IN' )
);
}
if ( ! empty( $tax_query ) ) {
// Merge with any existing `tax_query` conditions.
$query['tax_query'] = array_merge( $query['tax_query'], $tax_query );
}
}
if ( ! empty( $block->context['query']['format'] ) && is_array( $block->context['query']['format'] ) ) {
$formats = $block->context['query']['format'];
/*
* Validate that the format is either `standard` or a supported post format.
* - First, add `standard` to the array of valid formats.
* - Then, remove any invalid formats.
*/
$valid_formats = array_merge( array( 'standard' ), get_post_format_slugs() );
$formats = array_intersect( $formats, $valid_formats );
/*
* The relation needs to be set to `OR` since the request can contain
* two separate conditions. The user may be querying for items that have
* either the `standard` format or a specific format.
*/
$formats_query = array( 'relation' => 'OR' );
/*
* The default post format, `standard`, is not stored in the database.
* If `standard` is part of the request, the query needs to exclude all post items that
* have a format assigned.
*/
if ( in_array( 'standard', $formats, true ) ) {
$formats_query[] = array(
'taxonomy' => 'post_format',
'field' => 'slug',
'operator' => 'NOT EXISTS',
);
// Remove the `standard` format, since it cannot be queried.
unset( $formats[ array_search( 'standard', $formats, true ) ] );
}
// Add any remaining formats to the formats query.
if ( ! empty( $formats ) ) {
// Add the `post-format-` prefix.
$terms = array_map(
static function ( $format ) {
return "post-format-$format";
},
$formats
);
$formats_query[] = array(
'taxonomy' => 'post_format',
'field' => 'slug',
'terms' => $terms,
'operator' => 'IN',
);
}
/*
* Add `$formats_query` to `$query`, as long as it contains more than one key:
* If `$formats_query` only contains the initial `relation` key, there are no valid formats to query,
* and the query should not be modified.
*/
if ( count( $formats_query ) > 1 ) {
// Enable filtering by both post formats and other taxonomies by combining them with `AND`.
if ( empty( $query['tax_query'] ) ) {
$query['tax_query'] = $formats_query;
} else {
$query['tax_query'] = array(
'relation' => 'AND',
$query['tax_query'],
$formats_query,
);
}
}
}
if (
isset( $block->context['query']['order'] ) &&
in_array( strtoupper( $block->context['query']['order'] ), array( 'ASC', 'DESC' ), true )
) {
$query['order'] = strtoupper( $block->context['query']['order'] );
}
if ( isset( $block->context['query']['orderBy'] ) ) {
$query['orderby'] = $block->context['query']['orderBy'];
}
if (
isset( $block->context['query']['author'] )
) {
if ( is_array( $block->context['query']['author'] ) ) {
$query['author__in'] = array_filter( array_map( 'intval', $block->context['query']['author'] ) );
} elseif ( is_string( $block->context['query']['author'] ) ) {
$query['author__in'] = array_filter( array_map( 'intval', explode( ',', $block->context['query']['author'] ) ) );
} elseif ( is_int( $block->context['query']['author'] ) && $block->context['query']['author'] > 0 ) {
$query['author'] = $block->context['query']['author'];
}
}
if ( ! empty( $block->context['query']['search'] ) ) {
$query['s'] = $block->context['query']['search'];
}
if ( ! empty( $block->context['query']['parents'] ) && is_post_type_hierarchical( $query['post_type'] ) ) {
$query['post_parent__in'] = array_unique( array_map( 'intval', $block->context['query']['parents'] ) );
}
}
/**
* Filters the arguments which will be passed to `WP_Query` for the Query Loop Block.
*
* Anything to this filter should be compatible with the `WP_Query` API to form
* the query context which will be passed down to the Query Loop Block's children.
* This can help, for example, to include additional settings or meta queries not
* directly supported by the core Query Loop Block, and extend its capabilities.
*
* Please note that this will only influence the query that will be rendered on the
* front-end. The editor preview is not affected by this filter. Also, worth noting
* that the editor preview uses the REST API, so, ideally, one should aim to provide
* attributes which are also compatible with the REST API, in order to be able to
* implement identical queries on both sides.
*
* @since 6.1.0
*
* @param array $query Array containing parameters for `WP_Query` as parsed by the block context.
* @param WP_Block $block Block instance.
* @param int $page Current query's page.
*/
return apply_filters( 'query_loop_block_query_vars', $query, $block, $page );
}
/**
* Helper function that returns the proper pagination arrow HTML for
* `QueryPaginationNext` and `QueryPaginationPrevious` blocks based
* on the provided `paginationArrow` from `QueryPagination` context.
*
* It's used in QueryPaginationNext and QueryPaginationPrevious blocks.
*
* @since 5.9.0
*
* @param WP_Block $block Block instance.
* @param bool $is_next Flag for handling `next/previous` blocks.
* @return string|null The pagination arrow HTML or null if there is none.
*/
function get_query_pagination_arrow( $block, $is_next ) {
$arrow_map = array(
'none' => '',
'arrow' => array(
'next' => '→',
'previous' => '←',
),
'chevron' => array(
'next' => '»',
'previous' => '«',
),
);
if ( ! empty( $block->context['paginationArrow'] ) && array_key_exists( $block->context['paginationArrow'], $arrow_map ) && ! empty( $arrow_map[ $block->context['paginationArrow'] ] ) ) {
$pagination_type = $is_next ? 'next' : 'previous';
$arrow_attribute = $block->context['paginationArrow'];
$arrow = $arrow_map[ $block->context['paginationArrow'] ][ $pagination_type ];
$arrow_classes = "wp-block-query-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
return "$arrow";
}
return null;
}
/**
* Helper function that constructs a comment query vars array from the passed
* block properties.
*
* It's used with the Comment Query Loop inner blocks.
*
* @since 6.0.0
*
* @param WP_Block $block Block instance.
* @return array Returns the comment query parameters to use with the
* WP_Comment_Query constructor.
*/
function build_comment_query_vars_from_block( $block ) {
$comment_args = array(
'orderby' => 'comment_date_gmt',
'order' => 'ASC',
'status' => 'approve',
'no_found_rows' => false,
);
if ( is_user_logged_in() ) {
$comment_args['include_unapproved'] = array( get_current_user_id() );
} else {
$unapproved_email = wp_get_unapproved_comment_author_email();
if ( $unapproved_email ) {
$comment_args['include_unapproved'] = array( $unapproved_email );
}
}
if ( ! empty( $block->context['postId'] ) ) {
$comment_args['post_id'] = (int) $block->context['postId'];
}
if ( get_option( 'thread_comments' ) ) {
$comment_args['hierarchical'] = 'threaded';
} else {
$comment_args['hierarchical'] = false;
}
if ( get_option( 'page_comments' ) === '1' || get_option( 'page_comments' ) === true ) {
$per_page = get_option( 'comments_per_page' );
$default_page = get_option( 'default_comments_page' );
if ( $per_page > 0 ) {
$comment_args['number'] = $per_page;
$page = (int) get_query_var( 'cpage' );
if ( $page ) {
$comment_args['paged'] = $page;
} elseif ( 'oldest' === $default_page ) {
$comment_args['paged'] = 1;
} elseif ( 'newest' === $default_page ) {
$max_num_pages = (int) ( new WP_Comment_Query( $comment_args ) )->max_num_pages;
if ( 0 !== $max_num_pages ) {
$comment_args['paged'] = $max_num_pages;
}
}
}
}
return $comment_args;
}
/**
* Helper function that returns the proper pagination arrow HTML for
* `CommentsPaginationNext` and `CommentsPaginationPrevious` blocks based on the
* provided `paginationArrow` from `CommentsPagination` context.
*
* It's used in CommentsPaginationNext and CommentsPaginationPrevious blocks.
*
* @since 6.0.0
*
* @param WP_Block $block Block instance.
* @param string $pagination_type Optional. Type of the arrow we will be rendering.
* Accepts 'next' or 'previous'. Default 'next'.
* @return string|null The pagination arrow HTML or null if there is none.
*/
function get_comments_pagination_arrow( $block, $pagination_type = 'next' ) {
$arrow_map = array(
'none' => '',
'arrow' => array(
'next' => '→',
'previous' => '←',
),
'chevron' => array(
'next' => '»',
'previous' => '«',
),
);
if ( ! empty( $block->context['comments/paginationArrow'] ) && ! empty( $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ] ) ) {
$arrow_attribute = $block->context['comments/paginationArrow'];
$arrow = $arrow_map[ $block->context['comments/paginationArrow'] ][ $pagination_type ];
$arrow_classes = "wp-block-comments-pagination-$pagination_type-arrow is-arrow-$arrow_attribute";
return "$arrow";
}
return null;
}
/**
* Strips all HTML from the content of footnotes, and sanitizes the ID.
*
* This function expects slashed data on the footnotes content.
*
* @access private
* @since 6.3.2
*
* @param string $footnotes JSON-encoded string of an array containing the content and ID of each footnote.
* @return string Filtered content without any HTML on the footnote content and with the sanitized ID.
*/
function _wp_filter_post_meta_footnotes( $footnotes ) {
$footnotes_decoded = json_decode( $footnotes, true );
if ( ! is_array( $footnotes_decoded ) ) {
return '';
}
$footnotes_sanitized = array();
foreach ( $footnotes_decoded as $footnote ) {
if ( ! empty( $footnote['content'] ) && ! empty( $footnote['id'] ) ) {
$footnotes_sanitized[] = array(
'id' => sanitize_key( $footnote['id'] ),
'content' => wp_unslash( wp_filter_post_kses( wp_slash( $footnote['content'] ) ) ),
);
}
}
return wp_json_encode( $footnotes_sanitized );
}
/**
* Adds the filters for footnotes meta field.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_kses_init_filters() {
add_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
}
/**
* Removes the filters for footnotes meta field.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_remove_filters() {
remove_filter( 'sanitize_post_meta_footnotes', '_wp_filter_post_meta_footnotes' );
}
/**
* Registers the filter of footnotes meta field if the user does not have `unfiltered_html` capability.
*
* @access private
* @since 6.3.2
*/
function _wp_footnotes_kses_init() {
_wp_footnotes_remove_filters();
if ( ! current_user_can( 'unfiltered_html' ) ) {
_wp_footnotes_kses_init_filters();
}
}
/**
* Initializes the filters for footnotes meta field when imported data should be filtered.
*
* This filter is the last one being executed on {@see 'force_filtered_html_on_import'}.
* If the input of the filter is true, it means we are in an import situation and should
* enable kses, independently of the user capabilities. So in that case we call
* _wp_footnotes_kses_init_filters().
*
* @access private
* @since 6.3.2
*
* @param string $arg Input argument of the filter.
* @return string Input argument of the filter.
*/
function _wp_footnotes_force_filtered_html_on_import_filter( $arg ) {
// If `force_filtered_html_on_import` is true, we need to init the global styles kses filters.
if ( $arg ) {
_wp_footnotes_kses_init_filters();
}
return $arg;
}
/**
* Exposes blocks with autoRegister flag for ServerSideRender in the editor.
*
* Detects blocks that have the autoRegister flag set in their supports
* and passes them to JavaScript for auto-registration with ServerSideRender.
*
* @access private
* @since 7.0.0
*/
function _wp_enqueue_auto_register_blocks() {
$auto_register_blocks = array();
$registered_blocks = WP_Block_Type_Registry::get_instance()->get_all_registered();
foreach ( $registered_blocks as $block_name => $block_type ) {
if ( ! empty( $block_type->supports['autoRegister'] ) && ! empty( $block_type->render_callback ) ) {
$auto_register_blocks[] = $block_name;
}
}
if ( ! empty( $auto_register_blocks ) ) {
wp_add_inline_script(
'wp-block-library',
sprintf( 'window.__unstableAutoRegisterBlocks = %s;', wp_json_encode( $auto_register_blocks ) ),
'before'
);
}
}