if ($this->form_validation->run() == TRUE){



        $username = $_POST['username'];
        $password = md5($_POST['password']);


        $this->db->select('*');
        $this->db->from('guest');
        $this->db->where(array('username' => $username, 'password' => $password));

        $query = $this->db->get();


        $user = $query->row();

        if ($user->email) {

            $this->session->set_flashdata('sukses', 'Logged In');


            $_SESSION['user_logged'] = TRUE;
            $_SESSION['username'] = $user->username;


            redirect( 'Home','refresh');


        }else{



            $this->session->set_flashdata('gagal', 'Username Atau Password Tidak Dikenali');
        }

    }





    $data = array(
        'title'     =>  'Login Area',);

    $this->load->view('admin/login_view.php', $data);
}`