public function actionDelete($id = null)
{
if (null === $id || null === ($model = ContentBlock::findOne($id))) {
throw new NotFoundHttpException();
}
if ($model->delete()) {
Yii::$app->session->setFlash('info', Yii::t('app', 'Object removed'));
}
return $this->redirect(Yii::$app->request->get('returnUrl', Url::toRoute(['index'])));
}
