Антон Привалов CI Form reset

<?php
//controller
class Ctrl extends CI_Controller {

    public function form() {
        $post = $this->input->post();
        $data = array(
            'form_success_msg' => $this->session->flashdata('form_success')
        );
        if($post){
            $this->load->library('form_validation');
            $this->form_validation->set_rules();
            if ($this->form_validation->run()) {
                $this->session->set_flashdata('form_success', 'Form sent');
                redirect(current_url());
            }
        }
        $this->load->view('form',$data);
    }

}

//form view
<?php if($form_success_msg):?>
    <?=$form_success_msg?>
<?php endif?>

<?=form_open(current_url()); ?>
    //your form here
<?=form_close(); ?>