FRONTEND_MVC/modules/manager/views/default/newsUpdate.php

<?php
	use  \app\helpers\Uuid;
	use manager\models\News;

	$this->title="Редактирование статьи";
	$this->params['breadcrumbs'][] = ['label' => 'Новости', 'url' => ['newslist']];
	$this->params['breadcrumbs'][] = $this->title;

	if( !isset($id) ){
		$request = Yii::$app->request;
		$id = $request->get('id');
	}
	if( !isset($model) ){
		$model = new \app\models\News();
		$model = News::findOne($id);;
	}
	if( !(isset($model->uid) && $model->uid && Uuid::isvalid($model->uid)) )
	{
		if( strlen( $model->uid ) <> 32 )  //2f58b5602dc6500d645ea6032118884e old style
		{
			$i = 100;
			while( $i )
			{
				$uuid = Uuid::GetUUID();
				$model->uid = $uuid;
				$tmp = $model->find()->andWhere(['uid'=>$uuid])->one();
				if( !$tmp ) break;
				$i--;
			}
		}
	}

    echo $this->render('formNews', [
        'news' => $model,
    ]);


?>