Habari\Session::destroy PHP Method

    public static function destroy()
    {
        $sql = 'DELETE FROM {sessions} WHERE token = ?';
        $args = array(self::$session_id);
        $sql = Plugins::filter('sessions_clean', $sql, 'destroy', $args);
        DB::query($sql, $args);
        // get rid of the session cookie, too.
        self::cookie(null, -1);
        // don't just unset the ID in the current session, wipe it out
        unset($_SESSION);
        // Don't write this session or cookie
        self::$session_changed = false;
        self::$session_id = null;
        return true;
    }