delete_post_meta │ action-hook │ WP 3.1.0

Fires immediately before deleting metadata of a specific type.

Usage

add_action( 'delete_post_meta', 'wp_kama_delete_post_meta_action', 10, 4 );

/**
 * Function for `delete_post_meta` action-hook.
 * 
 * @param string[] $meta_ids    An array of metadata entry IDs to delete.
 * @param int      $object_id   ID of the object metadata is for.
 * @param string   $meta_key    Metadata key.
 * @param mixed    $_meta_value Metadata value.
 *
 * @return void
 */
function wp_kama_delete_post_meta_action( $meta_ids, $object_id, $meta_key, $_meta_value ){

	// action...
}

$meta_ids(string[])

An array of metadata entry IDs to delete.

$object_id(int)

ID of the object metadata is for.

$meta_key(string)

Metadata key.

$_meta_value(mixed)

Metadata value.

Changelog

Where the hook is called

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

Where the hook is used in WordPress