[Intl] fix Locale::getFallback() throwing exception on long $locale
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@ -68,7 +68,8 @@ final class Locale extends \Locale
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public static function getFallback(string $locale): ?string
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public static function getFallback(string $locale): ?string
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{
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{
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if (\function_exists('locale_parse')) {
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if (\function_exists('locale_parse')) {
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$localeSubTags = locale_parse($locale);
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$localeSubTags = locale_parse($locale) ?? ['language' => $locale];
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if (1 === \count($localeSubTags)) {
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if (1 === \count($localeSubTags)) {
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if ('root' !== self::$defaultFallback && self::$defaultFallback === $localeSubTags['language']) {
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if ('root' !== self::$defaultFallback && self::$defaultFallback === $localeSubTags['language']) {
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return 'root';
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return 'root';
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@ -70,4 +70,16 @@ class LocaleTest extends TestCase
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Locale::setDefaultFallback($prev);
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Locale::setDefaultFallback($prev);
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}
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}
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/**
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* @requires function locale_parse
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*/
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public function testLongLocaleFallback()
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{
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$locale = 'LC_TYPE=fr_FR.UTF-8;LC_NUMERIC=C;LC_TIME=fr_FR.UTF-8;LC_COLLATE=fr_FR.UTF-8;'.
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'LC_MONETARY=fr_FR.UTF-8;LC_MESSAGES=fr_FR.UTF-8;LC_PAPER=fr_FR.UTF-8;LC_NAME=fr_FR.UTF-8;'.
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'LC_ADDRESS=fr_FR.UTF-8;LC_TELEPHONE=fr_FR.UTF-8;LC_MEASUREMENT=fr_FR.UTF-8;LC_IDENTIFICATION=fr_FR.UTF-8';
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$this->assertNull(Locale::getFallback($locale));
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}
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}
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}
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