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I am learning CodeIgniter. I am wondering which one is the best practice to get the form POST data when updating the database: from Controller or from Model?
If we get the POST data in the Controller, then we need to pass the data as arguments to the Model function, but the Model function can be used in other forms. If we get the POST data directly in the Model, then we can eliminate the argument passing step, but it’s limited to some specific forms.
Which one is the best practice?
Thanks.
The best practice would be to do all data processing in the Controller and the service layer, and then pass only the required data to either the Modal or the View. That way, you have a controlled flow of information and a clean separation between the concepts. The Model objects should only be used as data objects via ORM, and nothing more. The controller should contain all business logic.