function add(){ $u = new User(); $u->username = $this->input->post('username'); $u->password = "pass"; $u->first_name = "first_name"; $u->last_name = "last_name"; //echo $u->error->string; $u->save(); $return['err'] = $u->error->string; if(!empty($u->error->string)) $this->load->view('form', $return); else echo "Added"; }