Re: Detecting user logout.

why bother charting logouts. use cookies that expires so you know that they will eventually lose access and need to login again. just a thought tonyz Henrik Hansen wrote: > > a@deruwe.be (Alexander Deruwe) wrote: > > > Hey all, > > > > I keep track of my users using PHP4 sessions, with verification against a > > PostgreSQL database. > > > > How can I detect when a user logs out / is logged out? I provide a hyperlink > > 'Logout' which users are supposed to click, so I can obviously check there. > > My main concern however is that people won't really use that link, but just > > close their browser.. Which means my table with logged in users will never > > get properly updated. Any ideas are appreciated. > > when the user surfs your pages you update their logged in timestamp > then it's always updated with the last time they were asctive on your > page, then you setup a cronjob or something else to check weather or > not the users has been active in a given interval like 1 hour. This > method will still have somekind of uncertainty. I still think there > are many other ways (better?) to do it. > > -- > Henrik Hansen