Calendar::create

static function create($name, $parentCalendarId = 0, $systemCode = null)
{
	$calendar = new static();
	$calendar->setName($name);
	$calendar->setParentCalendarId($parentCalendarId);

	$calendar->setSystemCode(CalendarTable::SYSTEM_CODE_NONE);
	if (in_array($systemCode, CalendarTable::getAllSystemCodes(), true))
	{
		$calendar->setSystemCode($systemCode);
	}

	return $calendar;
}