Getting Started with PHP 8.3 Features

Explore the latest features and improvements in PHP 8.3 including performance enhancements and new syntax.

Introduction to PHP 8.3 Features

PHP 8.3 brings several exciting new features and improvements that make development more efficient and enjoyable. In this comprehensive guide, we'll explore the most significant changes and how they can benefit your projects.

1. Typed Class Constants

One of the most anticipated features in PHP 8.3 is the ability to declare types for class constants. This enhancement brings better type safety and clearer code documentation.

class MyClass {    public const string STATUS_ACTIVE = 'active';    public const int MAX_USERS = 100;    public const array ALLOWED_TYPES = ['admin', 'user']; }

2. Dynamic Class Constant Fetch

PHP 8.3 allows dynamic fetching of class constants, making code more flexible and maintainable.

$constantName = 'STATUS_ACTIVE'; $value = MyClass::{$constantName};

3. Performance Improvements

PHP 8.3 includes several performance optimizations that make your applications run faster with less memory usage. Benchmarks show up to 15% improvement in certain scenarios.