Can someone tell me why the session vars are not passing between pages? They were working up to 2 days ago. Now its not? There is a third party system that logs users in b
Check the size of the session file: (code taken from this post)
$sessionfile = ini_get('session.save_path') . '/' . 'sess_'.session_id();
echo 'session file: ', $sessionfile, ' ';
echo 'size: ', filesize($sessionfile), "\n";
If your session file has zero size, make sure there is still disk space available on your server. That was the problem I had.
Check disk space with df -h
on a linux server.