Is this a proper way to destroy all session data in php?

Question

Got it from php.net, but I am not sure is this how everybody destroy all sessions?

// Unset all Sessions
$_SESSION = array();

if (isset($_COOKIE[session_nam         


        

Answer 1

If you want to avoid the warning:

Warning: session_destroy(): Trying to destroy uninitialized session in ... on line 18

Don't forget to add session_start(); to the beginning of your code. Other than that the code you provided works as intended.