php cookie doesn't update

Question

I need to update a cookie. I do that in a php file called via ajax. This is is the code:

setcookie(\'items[\'.$_POST[\'id\'].\']\');

The cookie

Answer 1

You cannot set and access a cookie in the same instance/page. You have to do a redirect or refresh after setting it.

In addition, you should do something like this instead :

setcookie("id","items['.{$_POST['id']}.']");