store\components\behaviors\DCategoryTreeBehavior::_childsArrayRecursive PHP Метод

    protected function _childsArrayRecursive(&$items, &$result, $parent_id)
    {
        foreach ($items as $item) {
            if ((int) $item[$this->parentAttribute] == (int) $parent_id) {
                $result[] = $item[$this->primaryKeyAttribute];
                $this->_childsArrayRecursive($items, $result, $item[$this->primaryKeyAttribute]);
            }
        }
    }