A class should have one, and only one, reason to change.
Objects of a superclass should be replaceable with objects of its subclasses without breaking the application. php-guide.7z
The acronym represents five essential rules for high-quality software architecture: S: Single Responsibility Principle (SRP) A class should have one, and only one, reason to change
You should be able to add a new payment method (e.g., Stripe) by creating a new class that extends a base interface, rather than rewriting your existing checkout logic. L: Liskov Substitution Principle (LSP) L: Liskov Substitution Principle (LSP) The request for
The request for a "solid story" for php-guide.7z refers to the of Object-Oriented Programming (OOP) applied to PHP development. These five design principles—Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion—form the "story" or fundamental logic for writing maintainable, scalable, and professional PHP code. 🧩 The SOLID Framework for PHP
The .7z extension indicates a compressed archive created with . In the context of a "PHP Guide," this archive likely contains: SOLID Principles in Laravel & PHP: A Practical Guide
A high-level OrderManager should depend on a generic PaymentProcessorInterface rather than a specific PayPalPayment class. 📦 Understanding the .7z Context