พี่ๆๆครับ ดูโค้ดตัวนี้ให้หน่อยครับผมผิดตรงไหน หรอครับ ไม่เข้าใจ

<?
require_once('include/config.php');
require_once('include/mysql.php');
require_once('include/const.php');
$code=$_REQUEST["code"];
$name=$_REQUEST["name"];
$address=$_REQUEST["address"];
$telephone=$_REQUEST["telephone"];
$email=$_REQUEST["e-mail"];
$usr_flag=$_REQUEST["usr_flag"];
$remark=$_REQUEST[" remark"];
echo $code;
echo $name;
echo $address ;
echo $telephone;
echo $email;
echo $usr_flag;
function show_provice()
{
$connect = new Mysql();
$sql = "INSERT INTO CUSTOMER (CODE, NAME, ADDRESS, TELEPOHNE, E-MAIL, USR_FLAG, REMARK) " ;
$sql = $sql."value ('$code','$name','$address','$telephone','$email','$usr_flag','$remark')";
$res = $connect->query($sql);
while ($row = $connect->fetch_array($res)) 
{	
$customer_code= $row["CUSTOMER_CODE"];
$customer_name = $row["CUSTOMER_NAME"];
$address = $row["ADDRESS"];
$telephone= $row["TELEPHONE"];
$email = $row["E-MAIL"];
$usr_flag= $row["USR_FLAG"];
$remark= $row["REMARK"];
}
$connect->close();
if($res==true)
{
echo "นำข้อมูลลงตาราง";
}else{
}
}
?>