codeigniter ignoring custom validation function

Question

I have a login function in CodeIgniter with this code:

public function login() {
    $this->redirect_if_logged($this->login_check());
    $this->data['active'] = 'login';

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

    $this->form_validation->set_rules('email', 'Email', 'trim|required|xss_clean');     
    $this->form_validation->set_rules('password', 'Password', 'trim|required|xss_clean|callback__validate_login');

    if (!$this->form_validation->run()) {
        $this->load->template('login', $this->data);
    } else {
        redirect('/','refresh');
    }       

}

And a validation function:

public function _validate_login($password) {
    $this->form_validation->set_message('_validate_login', 'Invalid username or password');
    return false;

}

The problem is that the custom function is never called, the validator always return true if all rules pass. The validator itself works, I checked it with other rules. It is just ignoring my custom function. What am I missing here?

did you debug inside _validate_login callback function, please try echo $password; die; — Girish
– Girish, Commented Mar 14, 2014 at 12:47
I tried writing different things in that function, it always runs the redirect() line like it is not even checking that function. As in this example - I have set it to always return false, so it should not pass. — Deez
– Deez, Commented Mar 14, 2014 at 12:52
i think $this->redirect_if_logged($this->login_check()); is redirect page — Girish
– Girish, Commented Mar 14, 2014 at 12:57

aseferov · Accepted Answer · 2014-03-14 12:57:44Z

1

create MY_Form_validation extends CI_Form_validation in your library

 class MY_Form_validation extends CI_Form_validation
{

    public function _validate_login($password) {
  $this->form_validation->set_message('_validate_login', 'Invalid username or password');
  return false;

}

in your controller remove callback

$this->form_validation->set_rules('password', 'Password',  'trim|required|xss_clean|_validate_login')

answered Mar 14, 2014 at 12:57

aseferov

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1 Comment

Deez Over a year ago

This works, although I needed to add this $CI =& get_instance(); and replace this with CI in the validator class. Thanks

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