php - Cart Become empty in codeigniter when I logged in through Google api -

every thing ok in site. adding products in cart ok. , when login through facebook, twitter , registered account cart records show . unfortunately when login google api login cart become empty.

 //////  here code when google come @ page after getting data./////     $this->user_model->insert('users',                               array('email'=>$users_info['email'],                                      'fname'=>$users_info['given_name'],                                     'lname'=>$users_info['family_name'],                                      'pic'=>$users_info['picture']                              ));     $id = $this->user_model->get_last_insert_id();    ////////setting session values//////////////////////////    $sess_array = array(             'id' =>$id,             'email' => $users_info['email'],             'is_logged_in' =>true                  );   $this->session->set_userdata('logged_in', $sess_array);   redirect(base_url('/'));   exit(); 

here shopping cart url https://www.dealsmug.com/