(PHP) How to destroy the session cookie correctly?

Question

I\'m trying to correctly log out of an admin user. Here is my function:

function logout()
{
    $_SESSION = array(); //destroy all of the session variables
          


        

Answer 1

Just a tip for others who are having issues expiring session cookies:

PHP - why can't I get rid of this session id cookie?

Always use session_get_cookie_params() as in the answer to the question in the link above.