When validating a photo, skipOnEmpty always displays an error, how to solve it?

Question

Yii

There is a rule in the model

['userimg', 'image', 'extensions' => 'png,jpg', 'skipOnEmpty'=>false, 'maxSize'=>5000000, 'minSize'=>100000, 'uploadRequired'=>Yii::t('order', 'noImage')]

'skipOnEmpty' error always, even when I select a photo. I am using ajax validation. What's the matter? Or is it supposed to be like this and he checks only when he submits? So how do you validate?

Answer 1

[ ['file'], 'file', 'extensions' => ['zip'], 'maxSize' => 2*1024*1024, 'skipOnEmpty' => true],

This is a 100% working example from the project. You don't validate this field in other rules..? For example in required