Delete PHP Cookie?

Question

I currently have a cookie set as follows:

setcookie(\"username\",$username,time()+3600*24*5);

How would I go about clearing the value of th

Answer 1

Setting its expiration to some time in the past should clear it:

setcookie("username",$username,time()-10);

If you're using PHP sessions to manage users, you'll probably also want to session_destroy()