PHP Web Service Using Nusoap บันทึกติดแต่ไม่ส่งค่ากลับมาครับ

<?php
  require 'lib/nusoap.php';
  $client = new nusoap_client("http://localhost/test/profile_server.php?wsdl");

   $params = array(

                   'com_Name_en' => "Nokia",
                   'com_Name_th' => "โนเกีย",
                   'phone' => "091-xxx-xxxx",
                   'address_en' => "12/1 Soi.Thakram",
                   'address_th' => "12/1 ซอย ท่าข้าม",
                   'insert_time' => date("Y-m-d H:i:s")                  
        );
 
$response=$client->call('company',$params);
var_dump($response);

?>

<?php
	 require_once("lib/nusoap.php");
	$server = new nusoap_server();
        $varname = array(                 
			       'com_Name_en' => "xsd:string",
                   'com_Name_th' => "xsd:string",
                   'phone' => "xsd:string",
                   'address_en' => "xsd:string",
                   'address_th' => "xsd:string",
                   'insert_time' =>"xsd:string" 			  
        );
         $server->register('company',$varname, array('return' => 'xsd:string'));
       
		function company($com_Name_en,$com_Name_th,$phone,$address_en,$address_th,$insert_time)
		{
			include('config.php');
				$objConnect = mysql_connect($conf['url'],$conf['user'],$conf['pass']);
				$objDB = mysql_select_db($conf['db_name']);
				
				/*** Insert ***/
				
				$strSQL = " INSERT INTO insert_company (com_Name_en,com_Name_th,phone,address_en,address_th,insert_time)  
					VALUES ('".$com_Name_en."','".$com_Name_th."','".$phone."','".$address_en."','".$address_th."','".$insert_time."')";

				mysql_query("SET NAMES 'utf8'");
				$objQuery = mysql_query($strSQL);
					if($objQuery)
					{
						$arr = "Successful";	
					}
					else
					{
						$arr = "Failed";
					}
						return $arr;
					mysql_close($objConnect);					
		}
				
		$POST_DATA = isset($GLOBALS['HTTP_RAW_POST_DATA']) ? $GLOBALS['HTTP_RAW_POST_DATA'] : '';

		$server->service($POST_DATA);
		exit(); 
		
?>