attachment_updated хук-событие . WP 4.4.0

Fires once an existing attachment has been updated.

Использование

add_action( 'attachment_updated', 'action_function_name_9815', 10, 3 );
function action_function_name_9815( $post_ID, $post_after, $post_before ){
	// action...
}

$post_ID(число)

Post ID.

$post_after(WP_Post)

Post object following the update.

$post_before(WP_Post)

Post object before the update.

Где вызывается хук

do_action( 'attachment_updated', $post_ID, $post_after, $post_before );

Где используется хук (в ядре WP)

add_action( 'attachment_updated', 'wp_check_for_changed_slugs', 12, 3 );

add_action( 'attachment_updated', 'wp_check_for_changed_dates', 12, 3 );