Posted by Rik on 04/22/06 12:15

tomhawkins1@gmail.com wrote:
> My current log in script saves various bits of data to a session
> (including a user id). I need to find out via an admin script which
> users are currently logged in ie their $_SESSION['theuserid'] exists
> in any of the existing sessions.

I've created a table called "active users", which holds the information of
recently logged in users & time of last page-request. Time-out is now set on
15 minutes, depends an what kind of site you have wether is has to be lower
or higher.

Usesr have to be authenticated on every page-refresh, so it's pretty simple
update the time of the last page-refresh and to delete entries where the
last page-refresh was >15 minutes ago in the same go.

A nice example of a login script I've rummaged through to get some ideas (it
wasn't exactly what I needed, but has some nice solutions) is
http://evolt.org/PHP-Login-System-with-Admin-Features by jpmaster77

Grtz,
--
Rik

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