addComplexType problems with an associative array

Hello,

I have a problem creating my WSDL file since days.
I searched at Google and this mailing list archive but could'nt solve my 
problem.

The problem is that I don't know how to send an associative array as the 
response to the client.

This is my server:

/*----------------------------------------------------------------------*/

$server = new soap_server();

$server->configureWSDL('Nameserver', $NAMESPACE);
$server->wsdl->schemaTargetNamespace = $NAMESPACE;

$server->wsdl->addComplexType(
        'ArrayOf_xsd_string',
        'complexType',
        'array',
        '',
        'SOAP-ENC:Array',
        array(),
        
array(array('ref'=>'SOAP-ENC:arrayType','wsdl:arrayType'=>'string[]')),'xsd:string'
);

function CheckUser($userid,$password,$userdata) {
        // some checks here
        return array("ret_code"=>"200","ret_message"="User Okay.");
}

$server->register('CheckUser', // method name
array(  'userid'=>'xsd:int',
        'password'=>'xsd:string',
        'userdata'=>'tns:ArrayOf_xsd_string'
         ), // input parameters
array('return' => 'tns:ArrayOf_xsd_string'), // output parameters
        $NAMESPACE, // namespace
        '', // soapaction
        'rpc', // style
        'encoded', // use
        'Checks the nameserver configuration for a domain name' // documentation
        );

// Use the request to (try to) invoke the service
$HTTP_RAW_POST_DATA = isset($HTTP_RAW_POST_DATA) ? $HTTP_RAW_POST_DATA : '';
$server->service($HTTP_RAW_POST_DATA);

/*----------------------------------------------------------------------*/

This is my client:

/*----------------------------------------------------------------------*/

$client = new soapclient('http://myserver/server.php?wsdl', true);

$result = $client->call('CheckUser',
        array(  'userid' => 123,
                'password' => "secret",
                'userdata' => array("Key1"=>"Value1","Key2"=>"Value2")
                )
        );

print_r($result);

/*----------------------------------------------------------------------*/

The result currently looks like:

Array
(
    [0] => 200
    [1] => User Okay.
)

But I need it like this:

Array
(
    [ret_code] => 200
    [ret_message] => User Okay.
)

May I use "apachesoap:Map" for this? I found this in the nusoap class 
source code. But is there some documentation for this?

What changes are needed to let asociative arrays work with WSDL?

Thanks a lot and best regards,

Mario


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