Yii2 - Model不保存在Yii2的foreach循环中

I have a variable

我有一个变量

I have run foreach loop for every item

我已经为每个项目运行了foreach循环

$tags = ['#first_Tag','#second_tag','#third_tag','#fourth_Tag'];
foreach ($tags as $t) :

  $model = new Tags;

  $model->tag_name = $t;

  $model->save(); //yii2

endforeach;

this function only saves the last item which is #fourth_Tag. Can any one have solution about this. Thanks in advance.

这个函数只保存最后一个条目#fourth_Tag。有人能解决这个问题吗?提前谢谢。

2 个解决方案

#1

I encountered exactly same problem and got perfect solution. This is tested.

我遇到了同样的问题，得到了完美的解决方案。这是测试。

$tags = ['#first_Tag','#second_tag','#third_tag','#fourth_Tag'];
foreach ($tags as $t) :

  $model = new Tags;

  $model->tag_name = $t;

  $model->save(); //yii2

  unset($model);

endforeach;

This is when you make a new variable with the same name of existing one, it overwrite its value. Here you don't need to make new attribute or set id to null; just unset() $model before the end of foreach loop.

这是当您创建一个具有相同名称的新变量时，它会覆盖它的值。这里不需要新建属性或将id设置为null;只是在foreach循环结束之前unset() $model。

#2

Try this..

试试这个. .

$tags = ['#first_Tag','#second_tag','#third_tag','#fourth_Tag'];
$model = new Tags;

foreach ($tags as $t) :

  $model->id = NULL; //primary key(auto increment id) id
  $model->isNewRecord = true;
  $model->tag_name = $t;

  $model->save(); //yii2

endforeach;

#1