Logout error

[Karve]

when I try n run a page to log me out of my site I get this error

Warning: setcookie() expects parameter 3 to be long, string given in /home/testsite/public_html/testsite/library.php on line 342

I think it is refering to this code....

function logout () {
global $cookiepath;
setcookie("testsite", "", "", "$cookiepath");

any clues as to what im doing wrong?

[chadfiles]

Try using "time() - 3600" as your third parameter. It just resets the cookie expire time to an hour ago.

This will effectively kill the session.