class DayOfYearTransformer extends

class QuarterTransformer extends

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

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

class AmPmTransformer extends

class HourTransformer extends

class StubCollator extends Collator

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

class YearTransformer extends

class DayTransformer extends