Posted by Mickey on 11/18/14 11:40

Thanks to all for the replies.

> Now, if you keep the 'last heard from' timestamp in a database, you may
> release a session based upon a last response time (i.e. fifteen minutes)
> without having to hear from the browser at all. (i.e. no cookie exchange
> is required) Its not the same as detecting that they have gone elsewhere
> but is probably the best you can do.

This is interesting.
Currently I am storing the 'last heard from' timestamp in a database
and if the user refreshes their browser and a specified amount of time
has passed then they are directed to re-login.
However, if the user closes their browser, I need to be able to clean
out the database of currently logged on users. I can't do this if the
user doesn't refresh their browser.

> release a session based upon a last response time

Ultimately, this is what I am trying to do, and also delete this user
from the list of currently online users. Can this be done once the user
has left the page or is there a better way to acheive this?

Thanks again for the replies.

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