XMLSecurityDSig::addReferenceList PHP Метод

    public function addReferenceList($arNodes, $algorithm, $arTransforms = null, $options = null)
    {
        if ($xpath = $this->getXPathObj()) {
            $query = "./secdsig:SignedInfo";
            $nodeset = $xpath->query($query, $this->sigNode);
            if ($sInfo = $nodeset->item(0)) {
                foreach ($arNodes as $node) {
                    $this->addRefInternal($sInfo, $node, $algorithm, $arTransforms, $options);
                }
            }
        }
    }

 /**
  * @param \DOMNode $parent
  * @param \AerialShip\LightSaml\Meta\SerializationContext $context
  * @return \DOMNode
  */
 function getXml(\DOMNode $parent, SerializationContext $context)
 {
     $objXMLSecDSig = new \XMLSecurityDSig();
     $objXMLSecDSig->setCanonicalMethod($this->getCanonicalMethod());
     $key = $this->getXmlSecurityKey();
     switch ($key->type) {
         case \XMLSecurityKey::RSA_SHA256:
             $type = \XMLSecurityDSig::SHA256;
             break;
         case \XMLSecurityKey::RSA_SHA384:
             $type = \XMLSecurityDSig::SHA384;
             break;
         case \XMLSecurityKey::RSA_SHA512:
             $type = \XMLSecurityDSig::SHA512;
             break;
         default:
             $type = \XMLSecurityDSig::SHA1;
     }
     $objXMLSecDSig->addReferenceList(array($parent), $type, array(Protocol::XMLSEC_TRANSFORM_ALGORITHM_ENVELOPED_SIGNATURE, \XMLSecurityDSig::EXC_C14N), array('id_name' => $this->getIDName(), 'overwrite' => FALSE));
     $objXMLSecDSig->sign($key);
     $objXMLSecDSig->add509Cert($this->getCertificate()->getData(), false, false);
     $firstChild = $parent->hasChildNodes() ? $parent->firstChild : null;
     if ($firstChild && $firstChild->localName == 'Issuer') {
         // The signature node should come after the issuer node
         $firstChild = $firstChild->nextSibling;
     }
     $objXMLSecDSig->insertSignature($parent, $firstChild);
 }