public function actionIndex($id = null, $action = null) { $model = new Sitecounter(); if ($model->load($_POST)) { $sess = array(); $sess['year'] = $_POST['Sitecounter']['year']; Yii::$app->session->set('sessStat', $sess); } // $sess = Yii::$app->session->get('sessStat'); $model->year = $sess['year']; if (!$model->year) { $model->year = date('Y'); } return $this->render('index', ['model' => $model]); }