FluidXml\FluidHelper::domnodeToHtml PHP Метод

    public static function domnodeToHtml(\DOMNode $node)
    {
        $dom = new \DOMDocument();
        $dom->formatOutput = true;
        $dom->preserveWhiteSpace = false;
        $node = $dom->importNode($node, true);
        $dom->appendChild($node);
        return static::domdocumentToHtml($dom, false);
    }