apasen

$data = array(
   'name' => '',
   'email' => '',
   ....
)

$object = new Users()

foreach($data as $field => $value){
  $method = 'set' . ucfirst($field);
  if(method_exists($object, $method)){
     $object->{$method}($value)
  }
}

$client = new SoapClient("some.wsdl", array('login'          => "some_name",
                                            'password'       => "some_password"));

$client->__soapCall("SomeFunction", array($a, $b, $c));