delete_post_metadata
Short-circuits deleting metadata of a specific type.
Это один из вариантов динамического хука delete_(meta_type)_metadata
Использование
add_filter( 'delete_post_metadata', 'wp_kama_delete_post_metadata_filter', 10, 5 ); /** * Function for `delete_post_metadata` filter-hook. * * @param null|bool $delete Whether to allow metadata deletion of the given type. * @param int $object_id ID of the object metadata is for. * @param string $meta_key Metadata key. * @param mixed $meta_value Metadata value. Must be serializable if non-scalar. * @param bool $delete_all Whether to delete the matching metadata entries for all objects, ignoring the specified $object_id. * * @return null|bool */ function wp_kama_delete_post_metadata_filter( $delete, $object_id, $meta_key, $meta_value, $delete_all ){ // filter... return $delete; }
- $delete(null|true|false)
- Whether to allow metadata deletion of the given type.
- $object_id(int)
- ID of the object metadata is for.
- $meta_key(строка)
- Metadata key.
- $meta_value(разное)
- Metadata value. Must be serializable if non-scalar.
- $delete_all(true|false)
- Whether to delete the matching metadata entries for all objects, ignoring the specified $object_id.
По умолчанию: false
Список изменений
С версии 3.1.0 | Введена. |
Где вызывается хук
delete_post_metadata
wp-includes/meta.php 428
$check = apply_filters( "delete_{$meta_type}_metadata", null, $object_id, $meta_key, $meta_value, $delete_all );