Re: Sessions & Headers [AGAIN!]

Hi Soma! On Wed, 20 Dec 2000, Soma Interesting wrote: > Is there a means to be able to check for a valid session id - checking if > it is already active in the system. If there is none - rather than if (session_id() =='') { echo "session not started"; } > immediately starting a session (as is the default behavior of PHP) then > allow another action - such as a log-in screen via a http redirect - which > if successful then a new session id is assigned. > > It would seem a straight forward enough task - for anyone who understood > the internals of PHP's sessions handling. Possibly there is even an array > of all existing session ID living within PHP that we could work with. Or - > by default the session information is saved to a text file - if none of the > session information is stored within PHP as an accessible array or object > (or something) - then maybe we can read the text file, parse out the > session id's and then store them in an array for this purpose. Of course at > that point it starts to sound like a lot of work. :( I noticed in the first call you have SID defined to "<session_name>=<session_id>" try this: <? session_start(); // comment this line to check behaviour if (session_id() == '') { echo "session not started"; } else { echo "session active"; } printf ("<br>SID is : [%s]",SID); besides checking HTTP_{GET,COOKIE}_VARS for the session_name() variable/cookie which is just session_id() does I dunno what else. hope it helped. cheers, -- teodor