fungsi yang dilindungi _initialize()
                                                                                                                                                                                                                                                                                                                                                                                                          Jika (kosong( User_id) {
$ this -& gt; ralat ('pengguna tidak log masuk, tiada hak untuk mengakses', url ('user/login'); (User_id) {
$ ini -& gt; ('Pengguna telah log masuk, sila jangan log masuk', url ('index/index');