HMVC2

file1.php

<?php
public function index()
{
  $user = $this->session->userdata('username');
  if(isset($user)) 
  {
     redirect('admin/admin_home');
  }

  $this->form_validation->set_rules('email_address', 'Email Address', 'valid_email|required');
  $this->form_validation->set_rules('password', 'Password', 'required|min_length[4]');

  if($this->form_validation->run() !== false) 
  {
    
     $res = $this->admin_model->verify_user(
                 $this->input->post('email_address'), 
                 $this->input->post('password')
              );

     if ($res !== false) 
     {
        $this->session->set_userdata('username', $this->input->post('email_address'));
        redirect('admin/admin_home');
     }
  }

  $this->load->view('login_view');
}
?>