The Benefits of Separating Core Code from Infrastructure Code in PHP

2023/08/31

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The article discusses the benefits of separating core code from infrastructure code in PHP. It explains that infrastructure code connects the main business logic (core code) to the outside world, such as the web server or database. Core code, on the other hand, does not directly depend on external systems and does not need a specific environment to run in. The lack of separation between core and infrastructure code can lead to weak software design and a web of dependencies. The article provides an example of a Symfony controller that demonstrates the issues that can arise when core and infrastructure code are not separated. It then explains how separating the two can minimize these issues and allow for independent evolution of infrastructure and core code. By implementing this separation, developers can create more sustainable and maintainable software architectures. This practice aligns with various software design patterns and is recommended for any software system.