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2012-05-01T16:10:49.760
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<p>While working with WCF service .net as Server and PHP-soap as client you need to follow guideline strictly. The documentation of PHP-soap is not enough to debug and not that clear either. PHP nusoap is little better on documentation but still not enough on example and not a great choice for the beginners. There are a few examples for nusoap but most of them don’t work. I would suggest following debug checklist:</p> <ol> <li>Check the binding in your web.config file. It has to be “<strong>basicHttpBinding</strong>” for PHP</li> <li>PHP, <strong>$client->__soapCall()</strong> function sends all arguments as an array so if your web-service function require input parameters as an array then arguments has to be in an extra array. Example#3 is given below to clear.</li> <li>If required then pass “<strong>array('soap_version' => SOAP_1_1)</strong>” or “<strong>array('soap_version' => SOAP_1_2</strong>)” to SoapClient() object to explicitly declare soap version.</li> <li>Always try declaring “array( "trace" => 1 )” to SoapClient Object to read the Request & Response strings.</li> <li>Use “<strong>__getLastResponse();</strong>” function to read Response String.</li> <li>Use “<strong>__getLastRequest();</strong>” function to read Request String.</li> </ol> <p><strong>IMPORTANT:If you are getting NULL return for any value passed as parameter then check your .cs(.net) file that look like this:</strong></p> <pre><code> [ServiceContract] public interface IDynamicWCFService { [OperationContract] string HelloYesterday(string test); } </code></pre> <p>The variable name passes here, have to match with when you call it in PHP. I am taking it as “test” for my examples below.</p> <p><strong>Example #1</strong>: using php-soap with single parameter for HelloYesterday function</p> <pre><code><?php $url="http://99-mxl9461k9f:6062/DynamicWCFService.svc?WSDL"; $client = new SoapClient($url, array( "trace" => 1 )); $result = $client->HelloYesterday(array('test' => 'this is a string')); var_dump($result); $respXML = $client->__getLastResponse(); $requXML = $client->__getLastRequest(); echo "Request: <br>"; var_dump($requXML); echo "Response: <br>"; var_dump($respXML); ?> </code></pre> <p><strong>Example #2</strong> : using nusoap with single parameter for HelloYesterday function</p> <pre><code><?php require_once('../lib/nusoap.php'); $proxyhost = isset($_POST['proxyhost']) ? $_POST['proxyhost'] : ''; $proxyport = isset($_POST['proxyport']) ? $_POST['proxyport'] : ''; $proxyusername = isset($_POST['proxyusername']) ? $_POST['proxyusername'] : ''; $proxypassword = isset($_POST['proxypassword']) ? $_POST['proxypassword'] : ''; $url="http://99-mxl9461k9f:6062/DynamicWCFService.svc?WSDL"; $client = new nusoap_client($url, 'wsdl', $proxyhost, $proxyport, $proxyusername, $proxypassword); $client->soap_defencoding = 'UTF-8'; // this is only if you get error of soap encoding mismatch. $err = $client->getError(); if ($err) { echo '<h2>Constructor error</h2><pre>' . $err . '</pre>'; } // Doc/lit parameters get wrapped $param = array('test' => ' This is a string for nusoap'); $result = $client->call('HelloYesterday', array('parameters' => $param), '', '', false, true); // Check for a fault if ($client->fault) { echo '<h2>Fault</h2><pre>'; print_r($result); echo '</pre>'; } else { // Check for errors $err = $client->getError(); if ($err) { // Display the error echo '<h2>Error</h2><pre>' . $err . '</pre>'; } else { // Display the result echo '<h2>Result</h2><pre>'; print_r($result); echo '</pre>'; } } echo '<h2>Request</h2><pre>' . htmlspecialchars($client->request, ENT_QUOTES) . '</pre>'; echo '<h2>Response</h2><pre>' . htmlspecialchars($client->response, ENT_QUOTES) . '</pre>'; echo '<h2>Debug</h2><pre>' . htmlspecialchars($client->debug_str, ENT_QUOTES) . '</pre>'; ?> </code></pre> <p>One more example… passing array as a parameter or pass mixed type parameter then check the following example:</p> <p><strong>Example #3:</strong> passing mixed type parameter including array parameter to Soap function. Example of .net operation file</p> <pre><code> [ServiceContract] public interface IDynamicWCFService { [OperationContract] string[] HelloYesterday (string[] testA, string testB, int testC ); } </code></pre> <p><strong>PHP code</strong></p> <pre><code><?php $url="http://99-mxl9461k9f:6062/DynamicWCFService.svc?WSDL"; $client = new SoapClient($url, array( "trace" => 1 )); $params = array( "testA" => array(0=>"Value1",1=>"Value2",2=>"Value3"), "testB" => “this is string abc”, "testC" =>123 ); // consider the first parameter is an array, and other parameters are string & int type. $result = $client->GetData($params); var_dump($result); $respXML = $client->__getLastResponse(); $requXML = $client->__getLastRequest(); echo "Request: <br>"; var_dump($requXML); echo "Response: <br>"; var_dump($respXML); ?> </code></pre> <p>Hope the above examples will help.</p>
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