FuelPHP でリレーションを組んだ孫モデルも一緒にsaveするやり方 - Qiita

<?php class Model_Parent extends \Orm\Model { protected static $_properties = array( 'id', 'name', ); protected static $_has_many = array( 'child' => array( 'key_from' => 'id', 'model_to' => 'Model_Child', 'key_to' => 'pid', 'cascade_save' => true, 'cascade_delete' => true, ), ); } class Model_Child extends \Orm\Model { protected static $_properties = array( 'id', 'pid', 'name', ); protected stati