Form validation in codeigniter always return false

Question

I am new in codeigniter and I can't figure out why my form_validation keeps on returning false. Here are my codes:

Login Controller

class Login extends CI_Controller {

     function __construct()
     {
       parent::__construct();
       $this->load->helper(array('form','url'));
       $this->load->library('form_validation');
       $this->load->library('session');
       $this->load->model('user','',TRUE);
     }

     function index()
     {
        $this->load->view('login_view');
     }

     function user_registration_show(){

        $this->load->view('registration_view');

     }

     function user_login_process(){


     }

     function user_registration_process(){

        $this->form_validation->set_rules('fname', 'First Name', 'trim|required|xss_clean');
        $this->form_validation->set_rules('lname', 'Last Name', 'trim|required|xss_clean');
        $this->form_validation->set_rules('gender', 'Gender', 'trim|required|xss_clean');
        $this->form_validation->set_rules('address', 'Address', 'trim|required|xss_clean');
        $this->form_validation->set_rules('emailadd', 'Email Address', 'trim|required|xss_clean');
        $this->form_validation->set_rules('username', 'Username', 'trim|required|xss_clean');
        $this->form_validation->set_rules('password', 'Password', 'trim|required|xss_clean');
        $this->form_validation->set_rules('password1', 'Re-type Password', 'trim|required|xss_clean');
        if ($this->form_validation->run() == FALSE) {
            $this->load->view('registration_view');
        } else {

            $pass = $this->input->post('password');
            $pass1 = $this->input->post('password1');
            if($pass!=$pass1){

                $data['message_display'] = 'Password mismatched!';
            }else{
                $data = array(
                'Fname' => $this->input->post('Fname'),
                'Lname' => $this->input->post('Lname'),
                'Gender' => $this->input->post('Gender'),
                'Address' => $this->input->post('Address'),
                'EmailAdd' => $this->input->post('EmailAdd'),
                'username' => $this->input->post('username'),
                'password' => $this->input->post('password')
                );
            }

        }
     }
}

registration_view

<?php echo form_open('login/user_registration_process'); ?>
<div class="content-box-wrapper">
        <div class="form-group">
             <div class="input-group">
                   <input type="text" class="form-control" name="fname" placeholder="First Name" >
              </div>
        </div>
        <div class="form-group">
             <div class="input-group">
                   <input type="text" class="form-control" name="lname" placeholder="Last Name" >
              </div>
        </div>
        <div class="form-group">
             <div class="input-group">
                  <select class="form-control" name="gender" >
                        <option disabled="disabled">Gender</option>
                        <option value="Male">Male</option>
                        <option value="Female">Female</option>
                   </select>
              </div>
         </div>
         <div class="form-group">
              <div class="input-group">
                   <input type="text" class="form-control" name="address" placeholder="Address">
              </div>
          </div>
          <div class="form-group">
               <div class="input-group">
                    <input type="email" class="form-control" name="emailadd" placeholder="Email Address" >
                </div>
           </div>
           <div class="form-group">
                <div class="input-group">
                     <input type="text" class="form-control" name="username" placeholder="Username" >          
                 </div>
            </div>
            <div class="form-group">
                 <div class="input-group">
                      <input type="password" class="form-control" name="password" placeholder="Password" >
                  </div>
             </div>
             <div class="form-group">
                  <div class="input-group">
                       <input type="password" class="form-control" name="password1" placeholder="Re-type Password" >
                  </div>
              </div>
              <input type="submit" class="btn btn-blue-alt btn-block" value="Register"/>        
</div>
<?php echo form_close(); ?>

I am using codeigniter 3.1.3. Can anyone help me?

Answer 1

Your form validation fails due to use of xss clean check in all the fields. If you remove that it validate your fields.As your data is already xss cleaned(assuming global_xss_filtering is TRUE in config)