CDavICalendarProperty::RenderParameters

private function RenderParameters()
{
	$result = "";
	foreach ($this->arParameters as $key => $val)
	{
		$str = str_replace('"', '', $val);
		$result .= sprintf(
			preg_match('/[,;:]/', $str) ? ';%s="%s"' : ';%s=%s',
			$key, $str
		);
	}
	return $result;
}