Question

Which directive determines how the session information will be stored?

(a) save_data

(b) session.save

(c) session.save_data

(d) session.save_handler

The question was asked in unit test.

This intriguing question comes from Session Handling-1 in portion File and Session Handling in PHP of PHP

Answer 1

Right choice is (d) session.save_handler

For explanation I would say: The class SessionHandler is used to wrap whatever internal save handler is set as defined by the session.save_handler configuration directive which is usually files by default.