Laravel Model conditional formatting

I have a database and model called Vote_actions that looks like this:

• id
• group_id
• user_id
• action_type
• anonymous (boolean)

User can ask to be anonymous (that would make the boolean value to be true).If that is the case, I want to change the group_id and user_id from the returned model to -1.

Is there a way in laravel that I can do it ?

via Chebli Mohamed