Скачать или смотреть What is new in PHP 8

PHP 8 is a major update to the PHP programming language. Some of the new features and improvements in PHP 8 include:

Just-in-time (JIT) compilation: PHP 8 includes a JIT compiler that can significantly improve the performance of PHP code.

Union types: PHP 8 introduces union types, which allow a function or method to accept multiple types of data.

Typed properties: PHP 8 allows developers to specify the type of a class property, which can help to catch type errors at runtime.

New syntax for attribute access: PHP 8 introduces a new syntax for accessing object attributes, which allows for more concise and expressive code.

Improved error handling: PHP 8 includes several improvements to the way that errors and exceptions are handled, including the ability to throw errors from constructors and the ability to specify the type of an exception.

Improved support for functional programming: PHP 8 includes several new features that make functional programming in PHP easier and more efficient, such as parameter lists and support for higher-order functions.

Improved support for internationalization: PHP 8 includes a new extension called "intl" that provides improved support for internationalization, including enhanced Unicode support and improved performance.

There are many other new features and improvements in PHP 8, and it is worth taking some time to explore the full list of changes in more detail.