public static function actionSaverecord()
 {
     $request = Yii::$app->request;
     /* print_r($_POST);
        die();*/
     $sizePost = sizeof($_POST);
     $lengthData = ($sizePost - 2) / 2;
     for ($i = 1; $i <= $lengthData; $i++) {
         $model = new Institution();
         $model->inst_name = $request->post('fact_' . $i . '');
         $model->inst_code = $request->post('factCode_' . $i . '');
         $model->uni_id = $request->post('uni_id');
         $model->save();
         /*print_r($model->getErrors());
           die();*/
     }
 }