Cookie script

[asa_carter]

Hi,

I'm having a few problems trying to get a script to work correctly. I'm trying to create a sort of shopping cart where items can be added to a list. The items cannot be duplicated and are stored in a cookie. I've put some echo statements in to try and debug where it is going wrong but i'm at a loss.

<?
if(isset($_GET['id']))
{
  echo "ID is available - ID=$id...<br>";
  if(isset($_COOKIE['testcookie']))
  {
    echo "Cookies are set...<br>";

echo "Creating an array with data stored in the cookie...<br>";
$thearray = unserialize(stripslashes($_COOKIE['testcookie']));

echo "Adding the current ID to the array... <br>";
$thearray[]=$id;

echo "Removing any duplicate entries in the array...<br>";
$thearray = array_unique($thearray);

echo "Putting the array into a string...<br>";
$thestring = serialize($thearray);
  }
  else
  {
    echo "Cookies are not set...<br>";

echo "Creating an array and adding the current ID=$id...<br>";
$thearray[]=$id;

echo "Putting the array into a string...<br>";
$thestring = serialize($thearray);
  }

  echo "Updating the cookie with the string...<br>";
  setcookie('testcookie', $thestring, time()+60);

  echo "Putting the updated array into a new string separated by comma's...<br>";
  $comma_separated = implode(",", $thearray);
  echo "OUTPUT: - $comma_separated<br>";  

}

Thanks

[fredouille]

my advice

NEVER store any thing for a shoping cart in a cookie...make a table

productid, quantity,sessionid

[asa_carter]

Hi,

The only thing being stored in the cookie is the item's id no. The item's details are then pulled from a database.

I need to use cookie's because the user will be navigating between 2 sites. The item is selected from one site, then a pop up box opens form my site with the list of items selected.

So if the pop-up box closes, the items in the list need to remain.

[asa_carter]

Ok. Figured out why it's not working.

If the following id's are entered:

2,5,4,1,9,6,7

And then the following id is rentered:

4

Will give the following output:

2,5,4

Anything after the point where a duplicate id is entered is lost. Does anyone know how i could fix this.

Cheers,