## How to Implement URL Routing for a PHP OOP Framework: Best Practices & Common Pitfalls

URL Routing for PHP OOP Framework

Question Elaboration:

The initial question focused on URL routing strategies for a PHP OOP framework, exploring two scenarios: editing project sections and loading associated images.

Routing Explanation:

Routing, or dispatching, determines how URLs are translated into controller actions. In this case, a more logical URL structure is recommended:

/backend/gallery/5/edit (edit gallery with ID 5)
/backend/project/3 (view project with ID 3)
/backend/galleries/project/4 (list galleries filtered by project with ID 4)

This structure mirrors the proposed controller actions:

• Single gallery management
• Single project management
• Listing galleries

OOP beyond Classes:

While classes form the backbone of OOP, it's important to understand the fundamental principles and avoid common misconceptions. The following resources provide valuable insights:

Lectures:

• Inheritance, Polymorphism, & Testing
• Advanced OO Patterns
• Unit Testing
• The Principles of Agile Design
• Global State and Singletons
• Don't Look For Things!
• Beyond Frameworks
• Agility and Quality

Books:

• PHP Object-Oriented Solutions
• Design Patterns Explained
• Patterns of Enterprise Application Architecture

Principle of Liskov Substitution:

The extends keyword in OOP represents the "is a" relationship. While it's valid to have Oak extends Tree, a class User should not extend Database to avoid violating the Liskov Substitution Principle.

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