CCalendarSect::GetUniqCalendarId

static function GetUniqCalendarId()
{
	$uniq = COption::GetOptionString("calendar", "~export_uniq_id", "");
	if($uniq == '')
	{
		$uniq = md5(uniqid(rand(), true));
		COption::SetOptionString("calendar", "~export_uniq_id", $uniq);
	}
	return $uniq;
}