how to use complex type in nusoap client

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PHP

SOAP

WSDL

hi ALL .
in my case,the server side has this methode and tns type:

<s:element name="AuthHeader" type="tns:AuthHeader" />
      <s:complexType name="AuthHeader">
        <s:sequence>
          <s:element minOccurs="0" maxOccurs="1" name="UserName" type="s:string" />
          <s:element minOccurs="0" maxOccurs="1" name="Password" type="s:string" />
        </s:sequence>
        <s:anyAttribute />
      </s:complexType>
      <s:element name="GetCustomerInformation">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="CustomerNumber" type="s:string" />
          </s:sequence>
        </s:complexType>
      </s:element>
      <s:element name="GetCustomerInformationResponse">
        <s:complexType>
          <s:sequence>
            <s:element minOccurs="0" maxOccurs="1" name="GetCustomerInformationResult">
              <s:complexType>
                <s:sequence>
                  <s:element ref="s:schema" />
                  <s:any />
                </s:sequence>
              </s:complexType>
            </s:element>
          </s:sequence>
        </s:complexType>
      </s:element>

in asp.net i take result by this code:
(refrence added into service refrence named 'Server')

Server.ServiceSoapClient cli = new Server.ServiceSoapClient();
            Server.AuthHeader Auth = new Server.AuthHeader();
            Auth.UserName = "myusername";
            Auth.Password = "mypassword";
            string CustomerNumber="123456789";
            DataSet ds = cli.GetCustomerInformation(Auth, CustomerNumber);

but when use php nusoap returned fault:
PHP Code:

$param=array('AuthHeader'=>array('UserName'=>'myusername','Password'=>'mypassword')
            ,'CustomerNumber'=>'123456789');
$cli2= new nusoap_client('http://10.10.10.10:8080/Service.asmx?wsdl', true);
$err = $cli2->getError();
if ($err)
{
  print_r($err);
}
$res=$cli2->call('GetCustomerInformation',$param);
if ($cli2->fault)
{
  print_r($res);
}
else
{
  $err = $cli2->getError();
  if ($err)
  {
	print_r($err);
  }
  else
  {	
	print_r($res);
  }   
}

Return This Error:

wsdl error: http:/10.10.10.10:8080/:GetCustomerInformation^ (GetCustomerInformation^) is not a supported type.