delete_(meta_type)_meta хук-событие . WP 3.1.0

Fires immediately before deleting metadata of a specific type.

The dynamic portion of the hook, $meta_type, refers to the meta object type (post, comment, term, user, or any other type with an associated meta table).

Использование

add_action( 'delete_(meta_type)_meta', 'action_function_name_9716', 10, 4 );
function action_function_name_9716( $meta_ids, $object_id, $meta_key, $_meta_value ){
	// action...
}

$meta_ids(строка[])

An array of metadata entry IDs to delete.

$object_id(число)

ID of the object metadata is for.

$meta_key(строка)

Metadata key.

$_meta_value(разное)

Metadata value. Serialized if non-scalar.

Список изменений

Где вызывается хук

do_action( "delete_{$meta_type}_meta", $meta_ids, $object_id, $meta_key, $_meta_value );

do_action( "delete_{$meta_type}_meta", (array) $meta_id, $object_id, $meta->meta_key, $meta->meta_value );

Где используется хук в ядре WordPress