Write session start on 1 page or all pages?

Question

All the tutorials say to put session start. They don\'t say if that should be in all pages on the website, or some, or only 1.

And if it\'s only 1 page, does it h

Answer 1

You need to put this in each page that need to access the session data before accessing (or creating) any session data.

See: http://php.net/manual/en/function.session-start.php