Passing multi-dimensional array within Yii2 validation rules?
问题 When you are using Yii2's validation rules within a model, for example: [['foo','bar'], 'integer], Obviously ['foo','bar'] is an array, which I know you can use. But can do pass a multi-dimensional array like this: $this->numbers = [1,2,3]; [['foo','bar','numbers'], 'integer] Will Yii2 accept this and check the correct data or will it test the value and return an error because numbers is an array? 回答1: You need merge arrays for work rules [ArrayHelper::merge(['foo','bar'], $this-