You're reading from PHP 8 Programming Tips, Tricks and Best Practices A practical guide to PHP 8 features, usage changes, and advanced programming techniques

Product type Paperback

Published in Aug 2021

Publisher Packt

ISBN-13 9781801071871

Length 528 pages

Edition 1st Edition

Languages

PHP

Tools

phpList

Concepts

Programming Language

Author (1):

Doug Bierer

View More author details

Table of Contents (17) Chapters

Preface

1. Section 1: PHP 8 Tips

2. Chapter 1: Introducing New PHP 8 OOP Features FREE CHAPTER

3. Chapter 2: Learning about PHP 8's Functional Additions

4. Chapter 3: Taking Advantage of Error-Handling Enhancements

5. Chapter 4: Making Direct C-Language Calls

6. Section 2: PHP 8 Tricks

7. Chapter 5: Discovering Potential OOP Backward-Compatibility Breaks

8. Chapter 6: Understanding PHP 8 Functional Differences

9. Chapter 7: Avoiding Traps When Using PHP 8 Extensions

10. Chapter 8: Learning about PHP 8's Deprecated or Removed Functionality

11. Section 3: PHP 8 Best Practices

12. Chapter 9: Mastering PHP 8 Best Practices

13. Chapter 10: Improving Performance

14. Chapter 11: Migrating Existing PHP Apps to PHP 8

15. Chapter 12: Creating PHP 8 Applications Using Asynchronous Programming

16. Other Books You May Enjoy

Examining core deprecations

In this section, we examine functions and usage that are deprecated in PHP 8. As the PHP language continues to mature, the PHP community is able to suggest to the PHP core development team that certain functions, classes, or even language usage should be removed. If two-thirds of the PHP development team vote in favor of a proposal, it's adopted for inclusion in a future release of the language.

In the case of functionality to be removed, it is not immediately taken out of the language. Instead, the function, class, method, or usage generates a Deprecation notice. This notice serves as a means to notify developers that this function, class, method, or usage will be disallowed in an as-yet-unspecified release of PHP. Accordingly, you must pay close attention to Deprecation notices. Failure to do so inevitably causes a code break in the future.

Tip

Starting with PHP 5.3, an official Request for Comments (RFC) process was initiated. The status...