contoh.php

<?php
class Contoh extends CI_Controller{
    function __construct(){
        parent::__construct();
        $this->load->helper('form');
        $this->load->library('form_validation');
    }
    function index(){
        $this->load->view('contoh_form');
    } //end of class

    function proses(){
        $this->form_validation->set_rules('namalengkap','Nama Lengkap','required');
        $this->form_validation>set_rules('alamat','Alamat','required');
        $this->form_validation->set_rules('jenkel','Jenis Kelamin','required');
        $this->form_validation>set_rules('agama','Agama','required');
        $this->form_validation->set_rules('hobi','Hobi Anda','required');

//untuk mengubah pesan error ke bahasa Indonesia / yg kita inginkan.

        $this->form_validation->set_message('required','%s tidak boleh kosong');
        if($this->form_validation->run() == FALSE){
            $this->load->view('contoh_form');
        }else{
            echo "Sukses!!";
        }
  }
}