Contekan controller validation form input di Codeigniter

 Berikut contekan untuk membuat validation form di controller codeigniter

public function login() {

$this->load->helper(array('form', 'url'));

$this->load->library('form_validation');

//username,password -> adalah input dari view form

$this->form_validation->set_rules('username', 'Username', 'required');

$this->form_validation->set_rules('password', 'Password', 'required');

if ($this->form_validation->run() == FALSE)

{

//script jika form tidak valid

}

else

{

//script jika form valid

}

}