Guest::link

static function link($gid = null, array $data = array())
{
	if (!$gid)
	{
		return self::getCookieGuestId();
	}

	$cookieParts = explode('_', self::getCookieName());
	$cookiePrefix = $cookieParts[0];
	unset($cookieParts[0]);
	$cookieName = implode('_', $cookieParts);
	global $APPLICATION;
	$APPLICATION->set_cookie(
		$cookieName,
		$gid,
		time() + 3600 * 24 * 365 * 10,
		"/",
		false,
		false,
		true,
		$cookiePrefix
	);

	return $gid;
}