lithium\data\entity\Document::__unset PHP Метод

    public function __unset($name)
    {
        $parts = explode('.', $name, 2);
        if (isset($parts[1])) {
            unset($this->{$parts[0]}[$parts[1]]);
        } else {
            unset($this->_updated[$name]);
            $this->_removed[$name] = true;
        }
    }