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New in PHP 8.5: Attributes on Constants (infosec.pub)

submitted 1 week ago by rikudou@lemmings.world to c/php@programming.dev

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cross-posted from: https://chrastecky.dev/post/13

This change is quite straightforward, so this won’t be a long article. PHP 8.5 adds support for annotating non-class, compile-time constants with attributes. Compile-time constants are those defined using the const keyword, not the define() function.

Attributes can now include Attribute::TARGET_CONSTANT among their valid targets. Additionally, as the name suggests, Attribute::TARGET_ALL now includes constants as well. The ReflectionConstant class has been updated with a new method, getAttributes(), to support retrieving these annotations.

One particularly useful aspect of this change is that the built-in #[Deprecated] attribute can now be applied to compile-time constants.

As promised, this was a short post, since the change is relatively simple. See you next time—hopefully with a more exciting new feature in PHP 8.5!

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