Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: delete_{$meta_type}_metadata

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

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

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

Source View

Line Code
341       *
342       * @param null|bool $delete     Whether to allow metadata deletion of the given type.
343       * @param int       $object_id  Object ID.
344       * @param string    $meta_key   Meta key.
345       * @param mixed     $meta_value Meta value. Must be serializable if non-scalar.
346       * @param bool      $delete_all Whether to delete the matching metadata entries
347       *                              for all objects, ignoring the specified $object_id.
348       *                              Default false.
349       */
350      $check = apply_filters( "delete_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $delete_all );
351      if ( null !== $check )
352           return (bool) $check;
353
354      $_meta_value = $meta_value;
355      $meta_value = maybe_serialize( $meta_value );
356
357      $query = $wpdb->prepare( "SELECT $id_column FROM $table WHERE meta_key = %s", $meta_key );
358
359      if ( !$delete_all )