Auth.php

<?php
defined('BASEPATH') or exit('No direct script access allowed');

class Auth extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();
        $this->load->model('auth/auth_m', 'authm');
    }

    public function registration_list()
    {
        $role_ids = $this->authm->get_list_role();

        $opt = array('' => 'Pilih Role');
        foreach ($role_ids as $role_id) {
            if($role_id == 1) {
                $role = "Administrator";
            }
            if($role_id == 2) {
                $role = "Member";
            }
            $opt[$role_id] = $role;
        }

        $is_actives = $this->authm->get_list_active();

        $opt2 = array('' => 'Pilih Status');
        foreach ($is_actives as $is_active) {
            if($is_active == 0) {
                $status = "Aktif";
            }
            if($is_active == 1) {
                $status = "Tidak Aktif";
            }
            $opt2[$is_active] = $status;
        }

        $data['form_role'] = form_dropdown('', $opt, '', 'class="form-control" id="role"');
        $data['form_status'] = form_dropdown('', $opt2, '', 'class="form-control" id="status"');
        $this->load->view('auth/registration_list', $data);
    }

    public function ajax_list()
    {
        $list = $this->authm->get_datatables();
        $data = array();
        $no = $_POST['start'];
        foreach ($list as $admin_panel) {
            $no++;
            $row = array();
            $row[] = $no;
            $row[] = $admin_panel->name;
            $row[] = $admin_panel->username;
            $row[] = $admin_panel->email;
            $row[] = $admin_panel->role_id;
            $row[] = $admin_panel->is_active;
            $row[] = 'TES';

            $data[] = $row;
        }

        $output = array(
            "draw" => $_POST['draw'],
            "recordsTotal" => $this->authm->count_all(),
            "recordsFiltered" => $this->authm->count_filtered(),
            "data" => $data,
        );

        //Output To JSON Format
        echo json_encode($output);
    }
}