php - SOAP envelop parsing with all XMLNS - not working on Magento -

i have tried , tried , have been unable come solution. issue this: have soap envelop response follows...

    <soapenv:envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">     <soapenv:header>         <soapenv:body>             <mcu:prescreenusereligibilityresponse xmlns:mcu="http://www.ups.com/xmlschema/xoltws/mcusereligibility/v1.0">                 <common:response xmlns:common="http://www.ups.com/xmlschema/xoltws/common/v1.0">                     <common:responsestatus>                         <common:code>1</common:code>                         <common:description>success</common:description>                     </common:responsestatus>                 </common:response>                 <mcu:eligibilitystatuscode>3</mcu:eligibilitystatuscode>             </mcu:prescreenusereligibilityresponse>         </soapenv:body>     </soapenv:header> </soapenv:envelope> 

i access elements on mac:

$ns=array(); $xml=new simplexmlelement($string); foreach($xml->getnamespaces(true) $key=>$url){     $xml->registerxpathnamespace($key, $url);     $ns[]=strval($url);  } print_r(strval($xml->children($ns[0])->header->body->children($ns[1])->prescreenusereligibilityresponse->eligibilitystatuscode)); 

using same method on separate linux instance error on print_r line, saying last child cannot null. have confirmed values correct. have tried using $xml->xpath('//mcu:eligibilitystatuscode') no success.

i'm stuck -_-

i used alternative. domdocument()

i noticed after printing out different object nodes screen, capitalization in xml string different. tried comparing namespaces proper capitalization , still had no success using simplexml.

$doc = new domdocument();              $doc->loadxml($result);             if($doc){                 foreach($doc->getelementsbytagnamens('*', '*') $element){                     if($element->tagname=='mcu:eligibilitystatuscode'){                         if($element->nodevalue==0){                             return true;                         }                         else{                             return false;                         }                     }                 }                 return false;             }             else{                 return false;             } 

above working code, result xml returned soap request. code cycles through each node in xml response. in turn displays on block on magento front end.