forked from https://github.com/symfony/symfony
c202a373c3
This PR was squashed before being merged into the 2.7 branch (closes #26452).
Discussion
----------
[Intl] Load locale aliases to support alias fallbacks
| Q | A
| ------------- | ---
| Branch? | 2.7
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | #21457
| License | MIT
| Doc PR | -
For example, `zh_TW` is an alias to `zh_Hant_TW`. Without aliases,` zh_TW` would fall back to `zh` (which is incorrect). With aliases loaded, `zh_TW` will fall back properly to `zh_Hant_TW`.
Judging by git history this has never worked.
```php
\Locale::setDefault('zh'); dump(Intl::getRegionBundle()->getCountryName('AD'));
\Locale::setDefault('zh_TW'); dump(Intl::getRegionBundle()->getCountryName('AD'));
\Locale::setDefault('zh_Hant_TW'); dump(Intl::getRegionBundle()->getCountryName('AD'));
```
Before:
```
"安道尔"
"安道尔"
"安道爾"
```
After:
```
"安道尔"
"安道爾"
"安道爾"
```
All tests are passing, including those from the `intl-data` group.
Commits
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| .composer | ||
| .github | ||
| src/Symfony | ||
| .editorconfig | ||
| .gitignore | ||
| .php_cs.dist | ||
| .travis.yml | ||
| appveyor.yml | ||
| CHANGELOG-2.2.md | ||
| CHANGELOG-2.3.md | ||
| CHANGELOG-2.4.md | ||
| CHANGELOG-2.5.md | ||
| CHANGELOG-2.6.md | ||
| CHANGELOG-2.7.md | ||
| composer.json | ||
| CONTRIBUTING.md | ||
| CONTRIBUTORS.md | ||
| LICENSE | ||
| link | ||
| phpunit | ||
| phpunit.xml.dist | ||
| README.md | ||
| UPGRADE-2.1.md | ||
| UPGRADE-2.2.md | ||
| UPGRADE-2.3.md | ||
| UPGRADE-2.4.md | ||
| UPGRADE-2.5.md | ||
| UPGRADE-2.6.md | ||
| UPGRADE-2.7.md | ||
| UPGRADE-3.0.md | ||
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