static array getDisplayLanguages(string $locale) Returns the language names for a

static array getLanguages() Returns all available language codes.

static array getDisplayLocales(string $locale) Returns the locale names for a locale

static array getCurrencies() Returns all available currencies codes.

class AmPmTransformer extends

class DayTransformer extends

class DayOfYearTransformer extends

class YearTransformer extends

static string|null getIntlIcuVersion() Returns the ICU version as defined by the intl

class StubCollator extends Collator