Dev: PHP 8.2 support

[kenjis]

https://wiki.php.net/todo/php82

• Add PHP 8.2 GitHub Actions
  • Add PHP 8.2 to Unit Tests GHA #6172
• PHP: rfc:deprecate_dynamic_properties
  • Adding dynamic properties by Registrars will be deprecated on PHP 8.2 #6162
    • test: remove Registrar tests for dynamic property #6586
  • refactor: add CompleteDynamicPropertiesRector #6187
  • fix: BaseConnection may create dynamic property #6198
  • test: remove dynamic properties #6587
  • test: fix dynamic properties in FiltersTest #6666
  • test: remove dynamic properties in MigrationRunnerTest #6667
  • test: fix dynamic properties #6669
  • fix: add missing property $context in PhpStreamWrapper #6735
  • test: fix Creation of dynamic property error in PHP 8.2 #6757
• PHP: rfc:deprecate_partially_supported_callables
  • Probably none. At least no error is reported in PHPUnit testing
• [] PHP: rfc:strtolower-ascii
• mb_convert_encoding(): Handling HTML entities via mbstring is deprecated
  • refactor: DOMParser::withString() for PHP 8.2 #6672
• DateTime::getLastErrors() returns false
  • refactor: valid_date does not work in PHP 8.2 #6671
• PHP: rfc:remove_utf8_decode_and_utf8_encode
  • refactor: replace utf8_encode() with mb_convert_encoding() #6564
• Dependent packages
  • fix: workaround for Faker deprecation errors in PHP 8.2 #6758

References:

• https://php.watch/versions/8.2
• https://stitcher.io/blog/new-in-php-82
• https://www.php.net/manual/en/migration82.incompatible.php
• https://www.php.net/manual/en/migration82.deprecated.php

[paulbalandan]

@kenjis can this be closed? or are we still waiting for the last two tickets to clear?

[kenjis]

I'm not sure.
Probably we do not use deprecate_partially_supported_callables.
I did not check the impact of strtolower-ascii.

[kenjis]

About PHP: rfc:strtolower-ascii.

I've checked strtolower() in develop.

Many parts of the code look fine.

PHP 8.0 stopped respecting the locale environment variables. So the locale is always “C” unless the user explicitly calls setlocale().
https://wiki.php.net/rfc/strtolower-ascii

CI4 does not call setlocale(). So in PHP8 this PHP 8.2 change has nothing to do with (unless users don't call setlocale()).

From the above, it seems that there is no major problem.
If an problem is found, we would like to address it as a bug.