atk4\data\Model::__clone PHP 메소드

    public function __clone()
    {
        // we need to clone some of the elements
        if ($this->elements) {
            foreach ($this->elements as $id => $el) {
                $el = clone $el;
                $this->elements[$id] = $el;
                $el->owner = $this;
            }
        }
    }