Source View: deleted_{$meta_type}_meta

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Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

This hook occurs 2 times in this file.

Line Code
415       * object type (comment, post, or user).
416       *
417       * @since 2.9.0
418       *
419       * @param array  $meta_ids   An array of deleted metadata entry IDs.
420       * @param int    $object_id  Object ID.
421       * @param string $meta_key   Meta key.
422       * @param mixed  $meta_value Meta value.
423       */
424      do_action( "deleted_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );
425
426      // Old-style action.
427      if ( 'post' == $meta_type ) {
428           /**
429            * Fires immediately after deleting metadata for a post.
430            *
431            * @since 2.9.0
432            *
433            * @param array $meta_ids An array of deleted post metadata entry IDs.
 
Line Code
731           }
732
733           // Run the query, will return true if deleted, false otherwise
734           $result = (bool) $wpdb->delete( $table, array( $id_column => $meta_id ) );
735
736           // Clear the caches.
737           wp_cache_delete($object_id, $meta_type . '_meta');
738
739           /** This action is documented in wp-includes/meta.php */
740           do_action( "deleted_{$meta_type}_meta", (array) $meta_id, $object_id, $meta->meta_key, $meta->meta_value );
741
742           // Old-style action.
743           if ( 'post' == $meta_type || 'comment' == $meta_type ) {
744                /**
745                 * Fires immediately after deleting post or comment metadata of a specific type.
746                 *
747                 * The dynamic portion of the hook, `$meta_type`, refers to the meta
748                 * object type (post or comment).
749                 *