Setup::success PHP Method

    public function success()
    {
        if (!file_exists(VIEWPATH . '/success.php')) {
            show_404();
        }
        if (!($this->setup_proceed === TRUE or $this->installer->checkSettings() === TRUE)) {
            redirect('requirements');
        }
        $data['text_heading'] = $this->lang->line('text_success_heading');
        $data['text_sub_heading'] = $this->lang->line('text_success_sub_heading');
        $data['setup_step'] = $this->setup_step;
        $data['admin_url'] = admin_url();
        $data['site_url'] = root_url();
        $this->load->library('user');
        $this->user->logout();
        $this->load->view('header', $data);
        $this->load->view('success', $data);
        $this->load->view('footer', $data);
    }