session URL problems

Mega

ok, I'm using sessions, and for some reason it won't automatically write the session to links etc.

; use transient sid support if enabled by compiling with --enable-trans-sid.
session.use_trans_sid = 1

url_rewriter.tags = "a=href,area=href,frame=src,input=src,form=fakeentry"

is inside my php.ini.

I need to ensure my script will work on other machines, but I can't.

whether I set it to 1 or 0, it still doesn't work.

also, the constant SID is being defined as null. Any help?

TIA

Hawkeye

I guess our problems are on the opposite sides of the spectrum. My session URLs look like this:

index.php?mod=Admin&file=index&op=siteadmin_cp?webtasession=d76e03c9515075395ed662f9aee318a8

Because of the two question marks, I get a blank page because the data looks like this:

mod=Admin, file=index, op=siteadmin_cp?webtasession=d76e03c9515075395ed662f9aee318a8

op contains an invalid variable so nothing is rendered.

Why it's not using & I still have to find out why and how to fix it.

MarkB423

Mega,

PHP will only define the SID as something other than NULL if you start a session in such a place that headers have already been sent and PHP cannot set a session cookie. PHP will set a session cookie by default before it will use a session identifier sent via URL...

However, you should always code your scripts with the SID appended to the URLs just in case a user doesn't have cookies enabled.

Mega

i have:

<?
session_start();

so no headers are sent, and then SID isn't set.

some users my need this appended tho.

some systems may have it configured to automatically attach it, and some may not.

How can i get round this entirely?

MarkB423

hmmm... so you are saying that SID is causing "Warning: Undefined constant..." errors or that it is just NULL?

I was under the impression that PHP always automatically defined SID when using sessions, but only if session_start() is called from a part in the script where headers have been sent OR where a user does not have cookies enabled.