Refreshing the current site

[eluser]grobald[/eluser]
Hello

Is there a function for refreshing the same view/page/site?

Code:

if(!$this->auth->is_logged_in()) {
        $this->session->set_userdata('message', $this->lang->line('error_not_logged_in'));
            //$this->refresh(); ?????*/

            //exit;
        }

i tried the search but i didn't find anything
thx for help