i have a shopping cart and everything works but the update button, can you see any errors in my code?
function updateCart()
{
$cartId = $_POST['hidCartId'];
$productId = $_POST['hidProductId'];
$itemQty = $_POST['txtQty'];
$numItem = count($itemQty);
$numDeleted = 0;
$notice = '';
for ($i = 0; $i < $numItem; $i++) {
$newQty = (int)$itemQty[$i];
if ($newQty < 1) {
// remove this item from shopping cart
deleteFromCart($cartId[$i]);
$numDeleted += 1;
} else {
// check current stock
$sql = "SELECT pd_name, pd_qty
FROM tbl_product
WHERE pd_id = {$productId[$i]}";
$result = dbQuery($sql);
$row = dbFetchAssoc($result);
if ($newQty > $row['pd_qty']) {
// we only have this much in stock
$newQty = $row['pd_qty'];
// if the customer put more than
// we have in stock, give a notice
if ($row['pd_qty'] > 0) {
setError('The quantity you have requested is more than we currently have in stock. The number available is indicated in the "Quantity" box. ');
} else {
// the product is no longer in stock
setError('Sorry, but the product you want (' . $row['pd_name'] . ') is no longer in stock');
// remove this item from shopping cart
deleteFromCart($cartId[$i]);
$numDeleted += 1;
}
}
// update product quantity
$sql = "UPDATE tbl_cart
SET ct_qty = $newQty
WHERE ct_id = {$cartId[$i]}";
dbQuery($sql);
}
}
if ($numDeleted == $numItem) {
// if all item deleted return to the last page that
// the customer visited before going to shopping cart
header("Location: $returnUrl" . $_SESSION['shop_return_url']);
} else {
header('Location: cart.php');
}
exit;
}
function isCartEmpty()
{
$isEmpty = false;
$sid = session_id();
$sql = "SELECT ct_id
FROM tbl_cart ct
WHERE ct_session_id = '$sid'";
$result = dbQuery($sql);
if (dbNumRows($result) == 0) {
$isEmpty = true;
}
return $isEmpty;
}
/*
Delete all cart entries older than one day
*/
function deleteAbandonedCart()
{
$yesterday = date('Y-m-d H:i:s', mktime(0,0,0, date('m'), date('d') - 1, date('Y')));
$sql = "DELETE FROM tbl_cart
WHERE ct_date < '$yesterday'";
dbQuery($sql);
}
?>
it is also linked to the config.phpwhich hasthe following code about update
if (!get_magic_quotes_gpc()) {
if (isset($_POST)) {
foreach ($_POST as $key => $value) {
$_POST[$key] = trim(addslashes($value));
}
}
if (isset($_GET)) {
foreach ($_GET as $key => $value) {
$_GET[$key] = trim(addslashes($value));
}
}
}
can someone help please
thanks