Killing session after certain time of inactivity

Is there anyway to automatically destroy a session after a certain time of user inactivity?

look here

http://www.phpfreaks.com/tutorials/77/0.php


Lite...

If by automatically you mean manually, then yes. Set $_SESSION['lastseen'] or an equivalent database field tied to the session on every page hit, and reject values of lastseen older than your threshold for inactivity during authentication.