how to unset cookie in PHP?

Question

I need to figure out how to unset this cookie. Everything I tried so far has failed.

This is how I am currently unsetting it and it doesn\'t seem to work.

Answer 1

There are few security concerns regarding you code, however to answer your question, to unset a cookie in php, all you need to do is to set expiration time to a time in the past:

setcookie("user_id", "", time()-10, "/");

"loginform.php" is not a valid domain, that might be the problem here.