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

    protected function &_getNested($name)
    {
        $current = $this;
        $null = null;
        $path = explode('.', $name);
        $length = count($path) - 1;
        foreach ($path as $i => $key) {
            if (!isset($current[$key])) {
                return $null;
            }
            $current = $current[$key];
            if (is_scalar($current) && $i < $length) {
                return $null;
            }
        }
        return $current;
    }