This is determined by checking if the attribute is associated with a
[[\yii\validators\RequiredValidator|required]] validation rule in the
current [[scenario]].
Note that when the validator has a conditional validation applied using
[[\yii\validators\RequiredValidator::$when|$when]] this method will return
false regardless of the when condition because it may be called be
before the model is loaded with data.
public isAttributeRequired ( string $attribute ) : boolean | ||
$attribute | string | attribute name |
return | boolean | whether the attribute is required |