controller

<?php

defined('BASEPATH') OR exit('No direct script access allowed');

class Test extends CI_Controller{

 public function __construct(){
   parent::__construct();
   $this->load->model('test_model');

 }


 public function index(){

   $this->load->view('layouts/header');
   $this->load->view('layouts/sidebar');
   $this->load->view('test');
   $this->load->view('layouts/footer');

 }

 public function create(){
   $this->load->helper('form');
   $this->load->library('form_validation');
   $this->form_validation->set_rules('nama_user', 'nama user','required');
   $this->form_validation->set_rules('username', 'username','required');
   $this->form_validation->set_rules('password', 'password','required');
   if($this->form_validation->run() == FALSE ){

     $this->load->view('layouts/header');
     $this->load->view('layouts/sidebar');
     $this->load->view('test');
     $this->load->view('layouts/footer');

   } else {
     // auto generate ID baru
     $cek    = $this->db->query('SELECT id_user from user order by id_user DESC limit 1 ');
     $result = $cek->row_array();
     $last_id = $result['id_user'];
     $char = "usr";
     $nourut=(int) substr($last_id,3,2);
     $nourut++;
     $id_baru = $char.sprintf("%02s",$nourut);
     $nama_user = $this->input->post('nama_user');
     $username = $this->input->post('username');
     $password = $this->input->post('password');
     $level = $this->input->post('level');
     $data_baru = array( 'id_user'   => $id_baru,
                         'nama_user' => $nama_user,
                         'username'  => $username,
                         'password'  => $password,
                         'level'     => $level
                         );
     $this->test_model->create($data_baru);
     echo "sukses cuk!";
 }
}
}


 ?>