Problem with variable declaration in switch statement

Posted on 16th Feb 2014 07:03 pm by admin

Hello, I am having some trouble assigning a value to a variable inside a switch statement. What I am trying to do here is trip an error if the user has already added an item in the shopping cart. The While and Foreach loops work perfectly fine. The problem is that the value of variable $error does not get passed outside of the case. As a result, I cannot get the error message to display. I really need to get this to work and any help is appreciated. The code looks something like this:

Code: switch ($action) {
case 'add' :
{
if ($_SESSION['CartID'] == "")
{

$query = 'INSERT INTO ShopCart( UserID )VALUES("' . $UserID . '")';
mysql_query($query, $db) or die(mysql_error($db));

$Shop = 'SELECT ShopCartID FROM ShopCart WHERE UserID = "' . $UserID . '" ORDER BY ShopCartID ASC LIMIT 1';
$Cart = mysql_query($Shop);
$ShopCart = mysql_fetch_row($Cart);
$_SESSION['CartID'] = $ShopCart[0];
}
$query = 'SELECT ProductID FROM ShopCartLine WHERE ShopCartID = "' . $_SESSION['CartID'] . '"';
$result=mysql_query($query, $db) or die(mysql_error($db));

//$row = mysql_fetch_row( $result );
while($var = mysql_fetch_array($result))
{
foreach ($var as $i) {
if ($i == $ProductID) {
$error = 1; //TRIP THE ERROR HERE!
echo "<script type='text/javascript'>window.top.location='http://amarcy2.db-class.ids.uic.edu/shopcart.php';</script>";
}
}
}
}


The code being used to display the error message is as follows:

Code:
if ($error == 1) {
echo '<p>You already have this item in your basket!</p>';
}

Your Answer:

Login to answer

Other forums

Problem with umlauts and UTF-8
Hello every1,

I'm creating my own little CMS at the moment and got some problems with the cha

Select all entries from database that include a phrase
I have a database of clubs - one of the categories is meeting time and place
I would like to have

Warning: mysql_num_rows() supplied argument is not a valid MySQL result resource
This may be simple I just may need another pair of eyes..

When i get records back the below c

SAP Business Suite
Hi all:

Within the SAP Business Suite solution I would like to ask you the main differenc

want to add a break after a certain amount of characters
i was wondering how to add a break in a blog post after a certain amount of characters... any idea o

need help in mysql_num_rows()
please tell me what i am doing wrong in this query. it displays this error

Code: Warning: mys

Must be a string? Huh, what? HELP?
with the following script, I get
Fatal error: Property name must be a string in /home/content/e/

Showing selected item at top of list
Hi,

I've got a list of names which i am fetching from database like this:
$qry = db_query

Getting Resource id #11 while trying to connect..
So i tried using "DEFINE" for the first time and im using the variables i defined to conne

Sharing PHP Sessions Across Domains
I am in the process of writing a script to share a php session across various domains I have.
The