Hello
sorry for this , not so full , answer 😛
but , i also know that theres a function that can be enabled on ur php.ini so PHP automatically starts a session on everypage without the need of calling session_start()
hope this helps, ill keep looking for that setting so u can look of it, now that u got the idea that something like that exist u could look for it too 😃 ! ! !
cheers, perrohunter