#php Dependency Injection
Use dependency injection to improve code testability and maintainability.
#php Unit Testing
Write unit tests to verify the correctness of your code using PHPUnit.
#php Integration Testing
Write integration tests to ensure different parts of your application work together.
#php End-to-End Testing
Write end-to-end tests to simulate real user interactions with your application.
#php Code Coverage
Measure code coverage to ensure your tests cover all code paths.
