Session problems with sub domain

[Fenhopi]

Okay, so I have this site mydomain.com. When the user logs on there I want the user to be able to go to forum.mydomain.com without getting logged out. So I've googled this for days, and here's what I've found out:

I don't have access to my hosts php.ini file, so I can't change anything there.

I've put

ini_set("session.cookie_domain", ".mydomain.com");

on top of my session.php file.

I've edited the .htaccess in both the forum folder and my root folder to

php_value session.cookie_domain ".mydomain.com"

.

 

Still, after all this; it's totally random wether the session works on both or not. Sometimes it works, others it doesn't. I think perhaps it usually stops working after I've edited on some files on my site.. but I just have no idea what's wrong..

All help would be appriciated!

[ohdang888]

i got stuck on this for a while, and it turns out existing cookies were messing my logic patterns up. Clear your cookies, restart your browser, and try again

[Fenhopi]

Thanks for you reply!

But, it didn't work..

[PFMaBiSmAd]

it usually stops working after I've edited on some files on my site

 

Your editor is likely saving the file as a UTF-8 encode file with the BOM (Byte Order Mark) characters at the start of the file and that is causing a header error (you would be getting an error message stating that output is being sent before the session_start statement.)

 

You should have error_reporting (always) set to E_ALL and for development display_errors should be ON and on a live server display_errors should be OFF and log_errors should be ON. If you are doing this on a development system, the suggested settings would be outputting all the php detected errors. On a liver server, the suggested settings would be logging all the php detected errors.

 

If after seting the error_reporting/display_errors/log_errors settings, you are getting an error indicating output is being sent on line one of the file, you need to save your files without the BOM characters.