Jackalope\Query\NodeIterator::key PHP Метод

    public function key()
    {
        if (!$this->valid()) {
            return null;
        }
        foreach ($this->rows[$this->position] as $column) {
            if ($column['dcr:name'] == 'jcr:path') {
                $path = $column['dcr:value'];
                break;
            }
        }
        if (!isset($path)) {
            return null;
        }
        return $path;
    }