Examining Core Deprecations

Explore how PHP 8 handles deprecated functions and bad parameter usage practices by generating deprecation notices. Learn to identify and fix deprecated code patterns, particularly parameter order, to maintain compatibility and write cleaner, more reliable PHP applications.

We'll cover the following...

Deprecated usage in parameter order

In this lesson, we’ll 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 votes 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 ...

1.Introduction

2.Section 1: PHP 8 Tips

3.Introducing New PHP 8 OOP Features

4.PHP 8's Functional Additions

5.Taking Advantage of Error-Handling Enhancements

6.Making Direct C Language Calls

7.Section 2: PHP 8 Tricks

8.Discovering Potential OOP Backward-Compatibility Breaks

9.Understanding PHP 8 Functional Differences

10.Avoiding Traps When Using PHP 8 Extensions

11.Learning about PHP 8's Deprecated or Removed Functionality

12.Section 3: Best Practices

13.Mastering PHP 8 Best Practices

14.Improving Performance

15.Migrating Existing PHP Apps to PHP 8

16.Creating PHP 8 Applications Using Asynchronous Programming

17.Conclusion

Examining Core Deprecations