If the directive session.cookie_lifetime is set to 3600, the cookie will live until..

Which function is used to erase all session variables stored in the current session?

Which one of the following statements should you use to set the session username to Nachi?

Which parameter determines whether the old session file will also be deleted when the session ID is regenerated?

Which one of the following functions will you use to check that the class exists before you work with it?

How many times can you define __autoload in a process?

Which function was introduced to help automate the inclusion of class files?

Which one of the following statements is true for require() and require_once()?

Which one of the following statements is true for include_once() and require_once()?

Which keyword can be used to fix the above error?