Locale::canonicalize

locale_canonicalize

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)

Locale::canonicalize -- locale_canonicalize — Canonicalize the locale string

public static Locale::canonicalize(string $locale): ?string

Warning

This function is currently not documented; only its argument list is available.

Canonicalized locale string.

Returns null when the length of locale exceeds INTL_MAX_LOCALE_LEN.

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https://www.php.net/manual/en/locale.canonicalize.php