Helper::getDateObject

static function getDateObject(string $date = null, $fullDay = true, $tz = 'UTC'): Date
{
	$preparedDate = $date;
	if ($date)
	{
		$timestamp = CCalendar::Timestamp($date, false, !$fullDay);
		$preparedDate = CCalendar::Date($timestamp);
	}

	return $fullDay
		? new Date($preparedDate, Date::convertFormatToPhp(FORMAT_DATE))
		: new DateTime($preparedDate, Date::convertFormatToPhp(FORMAT_DATETIME), Util::prepareTimezone($tz));
}