public function isSupportedBy(TemporalAccessor $temporal) { return $temporal->isSupported(ChronoField::EPOCH_DAY()) && IsoFields::isIso($temporal); }
public function isSupportedBy(TemporalAccessor $temporal) { return $temporal->isSupported(ChronoField::DAY_OF_YEAR()) && $temporal->isSupported(ChronoField::MONTH_OF_YEAR()) && $temporal->isSupported(ChronoField::YEAR()) && IsoFields::isIso($temporal); }