Posted by Michael Vilain on 08/27/05 01:41

In article <demp3p020km@enews3.newsguy.com>,
Gregor Rot <dontwriteme@email> wrote:

> Hi,
>
> how to detect if a user closes the browser and so ends the php session?
> (i have a login system and i need to know if somebody doesn't logout of
> it, just closes the browser).
>
> For example: i have user1 with a username and password, i just want to
> disable somebody to double login with the same username and password (at
> the same time of course).
>
> What is the best way to do it?
>
> tnx,
> Greg

Since closing the browser is totally a function of the client and php
runs on the server, there's really no way to do this with php alone. If
you associate a timestamp with a session ID, you can expire sessions
based on a reasonable length of time. I don't see any other way to do
this.

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