DisappearService::getDisappearingMessage

static function getDisappearingMessage(int $hours, bool $change = false): string
{
	switch ($hours)
	{
		case 720:
			$timeUnit = self::TIME_UNIT_MONTH;
			break;
		case 168:
			$timeUnit = self::TIME_UNIT_WEEK;
			break;
		case 24:
			$timeUnit = self::TIME_UNIT_DAY;
			break;
		default:
			$timeUnit = self::TIME_UNIT_HOUR;
	}

	$messageParts = [
		'DISAPPEAR_MESSAGES',
		$change ? 'CHANGE' : 'ON',
		$timeUnit,
	];

	return Loc::getMessage(implode('_', $messageParts));
}