Source View: updated_{$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
279            * object type (comment, post, term, or user).
280            *
281            * @since 2.9.0
282            *
283            * @param int    $meta_id    ID of updated metadata entry.
284            * @param int    $object_id  Object ID.
285            * @param string $meta_key   Meta key.
286            * @param mixed  $meta_value Meta value.
287            */
288           do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
289
290           if ( 'post' == $meta_type ) {
291                /**
292                 * Fires immediately after updating a post's metadata.
293                 *
294                 * @since 2.9.0
295                 *
296                 * @param int    $meta_id    ID of updated metadata entry.
297                 * @param int    $object_id  Object ID.
 
Line Code
738           $result = $wpdb->update( $table, $data, $where, '%s', '%d' );
739           if ( ! $result ) {
740                return false;
741           }
742
743           // Clear the caches.
744           wp_cache_delete( $object_id, $meta_type . '_meta' );
745
746           /** This action is documented in wp-includes/meta.php */
747           do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );
748
749           if ( 'post' == $meta_type ) {
750                /** This action is documented in wp-includes/meta.php */
751                do_action( 'updated_postmeta', $meta_id, $object_id, $meta_key, $meta_value );
752           }
753
754           return true;
755      }
756