PHP & SoapClient: parameters missing from SOAP request

Question

I am trying to fix an issue where it seems that SoapClient is not inserting the parameters into the SOAP request.

The simple test fails to a web service running on the same server as the website, which is PHP 5.3.13 on Windows 8 Server and IIS 7.1. This had been working as recently as two days ago, but is now failing. I am not aware of any changes to the server installation other than updates.

    function simpleTest(){

    $client = new SoapClient("http://server-sql:78/PCIWCTest/Service1.svc?wsdl", array( "trace" => 1 ));

    $result = $client->__soapCall("GetData",
    array('GetData'=> array('parameters'=> 'Hello')),
    array('soapaction' => 'http://server-sql:78/PCIWCTest/GetData'));

    $requXML = $client->__getLastRequest();
    $respXML = $client->__getLastResponse();

    debug($requXML);
    debug($respXML);
}

The resulting request ($requXML) is:

<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://tempuri.org/"><SOAP-ENV:Body><ns1:GetData/></SOAP-ENV:Body></SOAP-ENV:Envelope>

I am assuming that there should be the string 'Hello' between the

<SOAP-ENV:Body><ns1:GetData/></SOAP-ENV:Body>

tags, right?

I have been working with many different methods during troubleshooting like soap __call with the same results. Server has been restarted. I've tried all I can think and find to try.

Has anybody seen this before or have an idea?

Calling the "GetData" method directly on the client object produces the same problematic result? I assume you're using the __ methods to debug here, right? — Mark Grey
– Mark Grey, Commented Jan 4, 2013 at 1:50
Yes and yes. $client->(GetData, $params) produces the same result. I have also tried setting types on my params per some advice, and enclosing the params in another array to no avail. — Chris Goodman
– Chris Goodman, Commented Jan 4, 2013 at 14:25

Chris Goodman · Accepted Answer · 2013-01-07 20:28:02Z

3

In this case, I discovered that the parameter I was sending was not named exactly as the parameter in the Web Service code. By changing the above:

array('GetData'=> array('parameters'=> 'Hello')),

to:

array('GetData'=> array('value'=> 'Hello')),

the call worked normally and the parameter was no longer blank! I don;t know if this behavior is unique to this situation, but in my limited experience, I have not seen a situation where it mattered what the parameter was named on the other end.

At any rate, issue is solved. Hope this helps someone!

answered Jan 7, 2013 at 20:28

Chris Goodman

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