Need to read Nusoap ComplexType Client

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PHP

webservice

I need to read information from susoap web service,

Server Side;

$server->register('login',
        array('myVar' => 'xsd:string'),
        array('return' => 'tns:ct_adminUser'),
        $namespace,
        $namespace . '#login',
        'rpc',
        'encoded',
        'Login validation!'
    );

...

$server->wsdl->addComplexType('MyStruct','complexType','struct','all','',
        array(  'val1' => array('name' => 'val1','type' => 'xsd:int'),
                'val2' => array('name' => 'val2','type' => 'xsd:string')
             ));

function testFn() 
{ 
 
  return Array ('usrId' => 1,'usrName' => 'MY NAME');
}

I'm using vb.net and I can read the data but I'm trying to implement the client in PHP and I can't read the response.

In the PHP client I have the following code;

$result = $client->call('testFn',array('myVar' => 'XXXXX')));
echo $result;

The response is;
Array

If I change the client to the following don't receive anything;

$result = $client->call('testFn',array('myVar' => 'XXXXX')));
echo $result->val1;