CDavICalendarTimeZone::ParseDate

static function ParseDate($text)
{
	$parts = explode('T', $text);
	if (count($parts) > 0)
		$text = $parts[0];

	if (!preg_match('/^(d{4})-?(d{2})-?(d{2})$/', $text, $match))
		return null;

	return array("year" => $match[1], "month" => $match[2], "mday" => $match[3]);
}