Locale::addLikelySubtags

locale_add_likely_subtags

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Locale::addLikelySubtags -- locale_add_likely_subtags — Add likely subtags to a locale

面向对象风格

public static function Locale::addLikelySubtags(string $locale): string|false

过程化风格

function locale_add_likely_subtags(string $locale): string|false

Expands a locale tag by adding likely subtags based on the ICU locale data. For example, en becomes en_Latn_US.

Returns the locale with likely subtags added, or false on failure.

Throws a ValueError when the locale argument contains null bytes.