Login::validateResetForm PHP Method

    private function validateResetForm()
    {
        $this->form_validation->set_rules('user_email', 'lang:label_username_email', 'xss_clean|trim|required|callback__check_user');
        //validate form
        if ($this->form_validation->run() === TRUE) {
            // checks if form validation routines ran successfully
            return TRUE;
        } else {
            return FALSE;
        }
    }