Book Image

PHP 8 Programming Tips, Tricks and Best Practices

By : Doug Bierer
Book Image

PHP 8 Programming Tips, Tricks and Best Practices

By: Doug Bierer

Overview of this book

Thanks to its ease of use, PHP is a highly popular programming language used on over 78% of all web servers connected to the Internet. PHP 8 Programming Tips, Tricks, and Best Practices will help you to get up-to-speed with PHP 8 quickly. The book is intended for any PHP developer who wants to become familiar with the cool new features available in PHP 8, and covers areas where developers might experience backward compatibility issues with their existing code after a PHP 8 update. The book thoroughly explores best practices, and highlights ways in which PHP 8 enforces these practices in a much more rigorous fashion than its earlier versions. You'll start by exploring new PHP 8 features in the area of object-oriented programming (OOP), followed by enhancements at the procedural level. You'll then learn about potential backward compatible breaks and discover best practices for improving performance. The last chapter of the book gives you insights into PHP async, a revolutionary new way of programming, by providing detailed coverage and examples of asynchronous programming using the Swoole extension and Fibers. By the end of this PHP book, you'll not only have mastered the new features, but you'll also know exactly what to watch out for when migrating older PHP applications to PHP 8.
Table of Contents (17 chapters)
Section 1: PHP 8 Tips
Section 2: PHP 8 Tricks
Section 3: PHP 8 Best Practices

Using the Swoole extension

The PHP Swoole extension was first made available on the PHP extension C library website ( in December 2013. Since that time, it's gained considerable attention. With the introduction of the JIT compiler in PHP 8, there has been a considerable amount of renewed interest in the Swoole extension as it's fast and stable and is in a position to make PHP applications run even faster. The total number of downloads is close to 6 million, and the average number per month is around 50,000.

In this section, you will learn about the extension, how it's installed, and how it's used. Let's first get an overview of the extension.

Examining the Swoole extension

Because the extension is written in the C language, once it's compiled, installed, and enabled, a set of functions and classes are added to your current PHP installation. The extension leverages certain low-level features that are only available in OSes...