Business Process and Data with MVC (Model-View-Controller)

I have been thinking about the general issues with the MVC and the Vespa concept “Vespa: A better MVC”. The idea of splitting the Model component has really helped me a lot with a project that I am working on.

Let me emphasise that this doesn’t define how the model-view-controller (MVC) design pattern is supposed to be used. It merely suggests a slight alternative which allows the Model component to be split into business process and business data.

I decided to split Model into Service and Model (yes I stuck to the same name, but it has a lesser more specific goal). In my project a Service represents a business process whereas a Model only represents business data. I allow the Model to access data via an encapsulated PDO connection.

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