Learn how to implement the Model-View-Controller (MVC) design pattern in PHP by refactoring an existing CRUD application. Follow along as the tutorial guides you through setting up the World database, filtering data, creating basic views, implementing PHP functions for the model, designing form views, building the controller, adding status messages, organizing files, and testing and debugging. Gain practical experience in applying MVC principles to make your PHP code more functional and easier to read. Perfect for beginners looking to improve their web development skills and understand the benefits of using design patterns in PHP applications.