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Locale::lookup	Locale::parseLocale

Locale	Last updated: Mon, 26 Oct 2026

Locale::minimizeSubtags

locale_minimize_subtags

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Locale::minimizeSubtags -- locale_minimize_subtags — Remove likely subtags from a locale

Description

Object-oriented style

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

Procedural style

function locale_minimize_subtags(string $locale): string|false

Minimizes a locale tag by removing subtags that can be inferred using the ICU likely subtag data. For example, en_Latn_US becomes en.

Parameters

locale: The locale to minimize.

Return Values

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

Errors/Exceptions

Throws a ValueError when the locale argument contains null bytes.

See Also

Locale::addLikelySubtags() - Add likely subtags to a locale
Locale::canonicalize() - Canonicalize the locale string

Locale::lookup	Locale::parseLocale

Locale	Last updated: Mon, 26 Oct 2026