How to get user role in Yii2?
You can get Roles for an user by using getRolesByUser function
You can use it like this
\Yii::$app->authManager->getRolesByUser($user_id);
I use :
if (\Yii::$app->authManager-> getAssignment($role,$rule_id))
for filtering user id
and role
in rbac, More details on Yii2 Documentation