frontend\controllers\Controller::init PHP Method

    public function init()
    {
        $schoolId = Yii::$app->request->cookies['schoolId'];
        $storeId = Yii::$app->request->cookies['storeId'];
        if ($schoolId) {
            Yii::$app->params['schoolModel'] = School::findOne($schoolId);
        }
        if ($storeId) {
            Yii::$app->params['storeModel'] = Store::findOne($storeId);
        }
    }