Ecma\Intl\Collator

class Ecma\Intl\Collator

static supportedLocalesOf($locales[, $options = null]) → string[]

Returns an array of those locales provided that are supported by this implementation without having to fall back to the default locale.

Parameters:

• $locales (iterable<Stringable|string> | Stringable | string | null) – One or more language tags to check for support.

• $options (Ecma\Intl\SupportedLocales\Options) – Options to use when evaluating supported locales.