พี่คะ ช่วยแก้ code ให้นิดนึงสิคะ ต้องส่ง 5 โมงนี้อ่ะค่ะ ไม่ทันแหงเลย ช่วยที!!!

<?

if (!isset($_SESSION['SHOPPING_CART'])){ $_SESSION['SHOPPING_CART'] = array(); }


if (isset($_POST['orderid']) && isset($_POST['productid']) && isset($_POST['qty']) && isset($_POST['sum'])){
	
	$ITEM = array(
				
		'name' => $_POST['product_name'],
		'order_id' => $_POST['orderid'],
		'product_id' => $_POST['productid'],
		'qty' => $_POST['qty'],
		'price' => $_POST['sum'], 
			
		);

	
	$_SESSION['SHOPPING_CART'][] =  $ITEM;

	header('Location: ' . $_SERVER['PHP_SELF']);
}

else if (isset($_GET['remove'])){
	
	unset($_SESSION['SHOPPING_CART'][$_GET['remove']]);
	
	header('Location: ' . $_SERVER['PHP_SELF']);
}
else if (isset($_GET['empty'])){
	
	session_destroy();
	
	header('Location: ' . $_SERVER['PHP_SELF']);

}
else if (isset($_POST['update'])) {

	foreach ($_POST['items_qty'] as $itemID => $qty) {

		if ($qty == 0) {
			
			unset($_SESSION['SHOPPING_CART'][$itemID]);
		}
		else if($qty >= 1) {
			
			$_SESSION['SHOPPING_CART'][$itemID]['qty'] = $qty;
		}
	}
	//Clear the POST variables
	header('Location: ' . $_SERVER['PHP_SELF']);
} 
$host="localhost";
$username="root";
$password="123456";
$db="shopcart";
$tb="orderlist";
$connect= mysql_connect( $host,$username,$password) or die ("ติดต่อกับฐานข้อมูล Mysql ไม่ได้ ");

mysql_select_db($db) or die("เลือกฐานข้อมูลไม่ได้");

$sql="select * from $tb";

$db_query=mysql_db_query($db,$sql);

$date_now = date("Y-m-d");
mysql_query("INSERT INTO $tb (id, order_id,order_name,order_email,order_phone,order_address,order_total,order_date) values('', '$_POST[orderid]','$_POST[order_name]','$_POST[order_email]','$_POST[order_phone]','$_POST[order_address]','$_POST[total_order]','$date_now')") or die ("Add ข้อมูลลง Table ไม่ได้ ");

        foreach ($_SESSION['SHOPPING_CART'] as $itemNumber => $item) {

         $insert2 = "insert into order_detail (id,order_id,product_id,order_number,order_price) VALUES ('','$item[order_id]','$item[product_id]','$item[qty]','$item[price]')";
         $result2 = mysql_query($insert2);
        }
        ?>

ok sure