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

Internal Server Error issues
This has been bothering me for weeks and I've been trying to solve it without asking for help, but e

Variable uses and placement
I'm new to PL/SQL and am trying to learn about variable valid uses/placement (any pointers to any do

Form Help
Here is the form:

Line number On/Off | Expand/Contract<? include("../include/sess

php/mysql auto logout after 2 hour and reset password
Hi all,

This I hope will make sense. I've the following code which when a user logins in, cr

How to read posted binary data from a mobile device and post it to a web server?
Here is the senario...

I have a mobile device (MD) that posts binary data to a Web Server (WS

Display data returned from Ajaxservices!!
I have a question about displaying results using ajax. I have part of the code below.
$.ajax({

Simple program to copy files between two computers over the web
I use logmein free and often need to move files between my two computers. Generally, I move the file

PHP - HTML
Could anyone give me some GOOD sample links for php - html email tutorial.

Thanks!

void* and sizeof()
Hi,

Using void* and sizeof is it possible to get the value of the object ?

I understan

search query in mysql in php problem
my search query wont work, i know, that my codes are correct.please help

Code: [Select]&l