[pmwiki-devel] Sessions questions...

[The Editor]

I'm doing some interesting work with sessions but have a couple
general questions.

To set a session unique to each field, you would use

session_id($id);

then you would call

session_start()

then you would read or write values as needed

Then to close you would use

session_write_close()

is that correct?


Is it best to start the session just once, at the beginning and close
at the end, or start and close several times in a long script?  And if
the first, will the same session_id be used each time?

Does the session id have to be unique for each user?  And if so how do
you do that?

Is there a way to renew a session's "timer" so if they are on your
site a long time, it gets renewed each time they load a page?

Thanks in advance...

Cheers,
Dan