deleted_(meta_type)meta хук-событие . WP 3.4.0

Fires immediately after deleting post or comment metadata of a specific type.

The dynamic portion of the hook, $meta_type, refers to the meta object type (post or comment).

Использование

add_action( 'deleted_(meta_type)meta', 'action_function_name_3408' );
function action_function_name_3408( $meta_ids ){
	// action...
}

$meta_ids(число)

Deleted metadata entry ID.

Где вызывается хук

do_action( "deleted_{$meta_type}meta", $meta_id );

Где используется хук (в ядре WP)

add_action( 'deleted_post_meta', 'wp_cache_set_posts_last_changed' );

add_action( 'deleted_term_meta', 'wp_cache_set_terms_last_changed' );

add_action( 'deleted_comment_meta', 'wp_cache_set_comments_last_changed' );

add_action( 'deleted_blog_meta', 'wp_cache_set_sites_last_changed' );