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POUsing xpath on a PHP SimpleXML object, SOAP + namespaces (not working..)
 

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  1. POUsing xpath on a PHP SimpleXML object, SOAP + namespaces (not working..)
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    <p>After researching this on SO and google for hours now... I hope to get some help here: (I am just one step away from running a regex to remove the namespaces completely)</p> <p>First this is the XML:</p> <pre><code>&lt;?xml version="1.0" encoding="utf-16"?&gt; &lt;soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"&gt; &lt;soap:Header xmlns="http://webservices.site.com/definitions"&gt; &lt;SessionId&gt;0119A|1&lt;/SessionId&gt; &lt;/soap:Header&gt; &lt;soap:Body&gt; &lt;Security_AuthenticateReply xmlns="http://xml.site.com/QQ"&gt; &lt;processStatus&gt; &lt;statusCode&gt;P&lt;/statusCode&gt; &lt;/processStatus&gt; &lt;/Security_AuthenticateReply&gt; &lt;/soap:Body&gt; &lt;/soap:Envelope&gt; </code></pre> <p>Now this is what my code in PHP looks like:</p> <pre><code>$response = simplexml_load_string( $str ,NULL, false, "http://schemas.xmlsoap.org/soap/envelope/" ); // just making sure the name space is "registered" // but I tested all examples also with this removed $response-&gt;registerXPathNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/"); $_res = $response-&gt;xpath('//soap:Header'); print_r($_res); /*** result: simple query for the root "soap" namespace, this looks good! (so far..) Array ( [0] =&gt; SimpleXMLElement Object ( [SessionId] =&gt; 0119A|1 ) ) ***/ // now we query for the "SessionId" element in the XML $_res = $response-&gt;xpath('//soap:Header/SessionId'); print_r($_res); /*** result: this does not return anything! Array ( ) ***/ // another approach $_res = $response-&gt;xpath('//soap:Header/SessionId/text()'); print_r($_res); /*** result: this does not return anything at all! ***/ // Finally, without using XPath this does work $_res = $response-&gt;xpath('//soap:Header'); $_res = (string)$_res[0]-&gt;SessionId; echo $_res; /*** result: this worked 0119A|1 ***/ </code></pre> <p>How can I get the SOAP message working with XPATH???</p> <p>Thanks, Roman</p>
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    1. COThe easiest would be to use DOM instead of SimpleXml, but I guess that's not an option?
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    2. COI found out that when I change this part of the XML: <soap:Header xmlns="http://webservices.site.com/definitions"> To: <soap:Header> The said Xpath queries start working.. Any thoughts on this? bad format of the XML??
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