login.php

<?php defined('BASEPATH') OR exit('No direct script access allowed');
//'data_array'    => $data_array['combobox']
class Login extends CI_Controller {

    public function index($error = NULL) {
        $data = array(
            'error'     => $error,
        );
        $this->load->view('v_login', $data);
    }

    public function actlogin() {
        $username = $this->input->post('username');
        $password = $this->input->post('password');
        $where = array(
            'username' => $username,
            'password' => md5($password)
            );

        $ceklogin = $this->load->module('models/model')->cek_data("mt_user",$where);
        //print_r($ceklogin->num_rows()); die;

        if ($ceklogin->num_rows() == 1) {

            //ambil username
            $data_login = $this->Model->cek_data("mt_user",$where)->row();

            //daftarkan session
            $data = array(
                'logged'    => TRUE,
                'username'  => $data_login->username
            );
            $this->session->set_userdata($data);

            redirect(site_url('CtrIndex'));
            print_r('OKEEEEEEEEEEEEEEEEEEEE'); die;

        }else{
            $error = 'Username / Password salah';
            $this->index($error);
        }

    }


    function actlogout() {
        $this->session->sess_destroy();
        redirect(site_url('CtrIndex'));
    }

}