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 have to set the value for the key to access with $_COOKIE:

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

Link to manual