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Date: Sat, 19 Dec 2020 11:18:48 +0100
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To: PHP Internals <internals@lists.php.net>
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Subject: #[Deprecated] Attribute
From: kontakt@beberlei.de (Benjamin Eberlei)

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Hi internals,

I have updated the RFC for a #[Deprecated] attribute that wasn't completed
for PHP 8.0 due to time constraints and I am able to restart the discussion
now.

https://wiki.php.net/rfc/deprecated_attribute

The following updates have been made:

- focus on only method and function deprecations for now, removed
class/property/constant deprecations.
- a section on explaining the runtime effects of deprecations in PHP, and a
note that this RFC is about completing deprecation support within the
existing model, while changes to deprecations in general are out of scope /
a disjunct concern for a different RFC.

Sara proposed a much improved implementation over my initial patch, by
using the already existing ZEND_ACC_DEPRECATED constant on userland
functions. The resulting implementation is therefore much simpler and
really just extending existing function deprecation support from internal
to userland functions. You can find the PR here:

https://github.com/php/php-src/pull/6521

Let me know what you think.

greetings
Benjamin

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