...It distills principles like meaningful naming, small functions, single responsibility, error handling, and tests into style rules and examples tailored for PHP’s idioms and language features. Contributors map each guideline to real-world scenarios—refactoring suggestions, before/after code snippets, and edge-case handling—in ways that are directly applicable to legacy and greenfield code. Because PHP is dynamically typed and loosely structured, the project pays special attention to avoiding “magic,” enforcing explicitness, and using type hints and invariants where possible. ...