RE: [PHP] Sessions

On 11 October 2003 02:23, Lowell Allen wrote: > > I'm trying to track down some issues with my site, and am trying to > > decide if it's a session variable issue. On a random basis, it > > appears that session vars are being dumped, deleted, or unset, as > > the site will break. Queries based on session vars don't work, > > session vars not being displayed, etc. This seems to happen most > > often after a page has been idle for a couple of minutes and a > > refresh is done on the page. > > > > This is on a hosted site. I have checked the configuration settings > > with phpinfo(); and session support is enabled. > > > > On all pages where I use $_SESSION[<varname>], I have <?php > > session_start();?>. This has been double checked. > > > > 1) Do session vars timeout, or can they be set to timeout after a > > certain length of time? 2) Is there anything other than > > session_start(); that needs to be done when using session vars? 3) > > What other things can I check for? > > Most things are explained well by the online manual, and you > should read and > re-read the session documentation. That said, I'll also say that the > documentation on sessions is not as informative as I'd like > it to be, and I > still get reports of sessions expiring before they should. AFAIR, there's lots of extra helpful information about what the php.ini session settings mean in the distributed php.ini-dist and/or php-ini-recommended. If you're tinkering with these settings, you really need to read, absorb and understand those comments in addition to what's in the actual manual. Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Beckett Park, LEEDS, LS6 3QS, United Kingdom Email: m.ford@lmu.ac.uk Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211