FastFeed\Parser\AbstractDomParser::getNodeValueByTagNameNS PHP Метод

    protected function getNodeValueByTagNameNS(DOMElement $node, $namespace, $tagName)
    {
        $results = $node->getElementsByTagNameNS($namespace, $tagName);
        for ($i = 0; $i < $results->length; $i++) {
            $result = $results->item($i);
            if (is_null($result->nodeValue)) {
                continue;
            }
            return $result->nodeValue;
        }
        return false;
    }