CDav::FormatDateTime

static function FormatDateTime($date, $format = null)
{
	// 20110118T131500
	if (mb_strlen($date) < 15)
		return 0;

	$year = intval(mb_substr($date, 0, 4));
	$month = intval(mb_substr($date, 4, 2));
	$day = intval(mb_substr($date, 6, 2));
	$hour = intval(mb_substr($date, 9, 2));
	$minute = intval(mb_substr($date, 11, 2));
	$second = intval(mb_substr($date, 13, 2));

	$t = mktime($hour, $minute, $second, $month, $day, $year);

	if (!is_string($format) || empty($format))
		$format = FORMAT_DATETIME;

	return date($GLOBALS["DB"]->DateFormatToPHP($format), $t);
}