Book Image

Clean Code in PHP

By : Carsten Windler, Alexandre Daubois
5 (1)
Book Image

Clean Code in PHP

5 (1)
By: Carsten Windler, Alexandre Daubois

Overview of this book

PHP is a beginner-friendly language, but also one that is rife with complaints of bad code,;yet no clean code books are specific to PHP. Enter Clean Code in PHP. This book is a one-stop guide to learning the theory and best practices of clean code specific to real-world PHP app development environments. This PHP book is cleanly split to help you navigate through coding practices and theories to understand and adopt the nuances of the clean code paradigm. In addition to covering best practices, tooling for code quality, and PHP design patterns, this book also presents tips and techniques for working on large-scale PHP apps with a team and writing effective documentation for your PHP projects. By the end of this book, you’ll be able to write human-friendly PHP code, which will fuel your PHP career growth and set you apart from the competition.
Table of Contents (18 chapters)
Part 1 – Introducing Clean Code
Part 2 – Maintaining Code Quality

Old versus new PHP

PHP has likely helped you become a much more rigorous developer over the years. If during its first decades of existence, PHP allowed you to write code the way you wanted to and without restricting you from doing so, with the (very) few advantages that this brings, in hindsight, it was mostly the opportunity to have as many ways to write code as there are developers (which rarely lead to exceptional results) that made it popular. As we now know, that can be a source of endless and infernal bugs to debug. Fortunately, the evolution of the language in the last few years has fixed a lot of these bugs, to the benefit of our applications.

Strict typing

First, let’s look at one of the most important things you should be using in the newest versions of PHP from version 7.4 – the strict typing of properties.

There was a time you were allowed to pass any data to any variable and cast variables as much as you wish, without a real and native way to prevent...