[thelist] in-principle, PHP/mySQL shopping basket question
Marek Kilimajer
kilimajer at webglobe.sk
Wed Jul 23 10:37:35 CDT 2003
Garbage collector is designed for this. Everytime you call
session_start(), there is session.gc_probability % probability that
garbage collector starts up and removes all session files that have not
been accessed for session.gc_maxlifetime seconds.
john at johnallsopp.co.uk wrote:
> Hiya
>
> In principle, how does this work? I'm developing a shopping basket for one
> of my sites in PHP/mySQL. So the client arrives, gets a session id, adds
> things to their basket and then leaves without buying anything.
>
> What rule do I implement to discard the basket. I can't tell that they've
> left the site barring timeout, and what if someone wants to keep their
> basket open overnight or similar?
>
> What have I missed?
>
> Cheers
> J
>
>
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