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PHP 8.4 introduces a variety of new features including improved DOM API with standards-compliant support for parsing HTML5 documents, new array functions like array_find(), and enhancements to the PDO library. The new #[\Deprecated] attribute allows marking functions, methods, and class constants as deprecated. Additionally, PHP 8.4 includes numerous new methods and functions for handling dates, rounding, and multi-byte string operations.

PHP: PHP 8.4.0 Release Announcement

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PHP 8.4 is released! Here are the new features, clean up and improvements.

PHP 8.4 is released! Here are the new features, clean up and improvements.

The asymmetric visibility and the new api for manipulating the html DOM, and the request_parse_body() function are my favorites! I liked.

It’s probably the most important release since PHP 7.4. 😄
Proper getter/setters, the ability to define these in interfaces, and the ability for either plain properties or getter/setters to satisfy the property declarations in an interface – this is so important for the sake of building and maintaining domain models, and finally brings PHP to the level of a proper grown-up language. ✌️