RobRichards\WsePhp\WSASoap::__construct PHP Method

    public function __construct($doc)
    {
        $this->soapDoc = $doc;
        $this->envelope = $doc->documentElement;
        $this->soapNS = $this->envelope->namespaceURI;
        $this->soapPFX = $this->envelope->prefix;
        $this->SOAPXPath = new DOMXPath($doc);
        $this->SOAPXPath->registerNamespace('wssoap', $this->soapNS);
        $this->SOAPXPath->registerNamespace('wswsa', self::WSANS);
        $this->envelope->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:' . self::WSAPFX, self::WSANS);
        $this->locateHeader();
    }