Passing multi-dimensional array within Yii2 validation rules?

Question

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?

Maybe this will help you, if you want to create a validation with certain allowed values. Do you mean foo and bar may only have value 1, 2 or 3? — robsch
– robsch, Commented Sep 27, 2015 at 17:49
Or numbers should be an integer array? Yes, that needs to be defined separately from foo and bar if these attributes are 'normal' integers. — robsch
– robsch, Commented Sep 27, 2015 at 18:00
@robsch Yep, the second one. I have moved them to using the each validator. — Brett
– Brett, Commented Sep 28, 2015 at 6:06

Onedev_Link · Accepted Answer · 2015-09-27 17:50:30Z

3

You need merge arrays for work rules

[ArrayHelper::merge(['foo','bar'], $this->getNumberFields()), 'integer']

Update:

Use each rule. See EachValidator.

public function rules()
{
    return [
        ['numbers', 'each', 'rule' => ['integer']],
    ]
}

edited Sep 27, 2015 at 17:50

answered Sep 27, 2015 at 13:13

Onedev_Link

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8 Comments

Brett Over a year ago

What is $this->getNumberFields()?

Onedev_Link Over a year ago

Function in your model that return field names array like ['dynamicIntegerFieldOne', 'integerFieldTwo'].

robsch Over a year ago

@Brett [ArrayHelper::merge(['foo','bar'], $this->numbers), 'integer'] could work. The rule will always be re-created when validation takes place. So $this->numbers can change from one to the next validation, if this is important.

robsch Over a year ago

@Brett Not sure what you mean. If you do the merge integer validations would be done for 5 attributes: foo, bar, dog, cat, fish. Those attributes should have integer values. They don't need to be explicitly declared, but they would be expected to exist when validation takes place. Isn't this what you wanted?

Onedev_Link Over a year ago

@brett Yii2 will get error. If rule integer, therefore numbers should be integer. You need each rule.

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