Guest::getCookieGuestId

static function getCookieGuestId()
{
	static $gid = null;
	if (!$gid)
	{
		$cookieParts = explode('_', self::getCookieName());
		$cookiePrefix = $cookieParts[0];
		unset($cookieParts[0]);
		$cookieName = implode('_', $cookieParts);

		global $APPLICATION;
		$gid = $APPLICATION->get_cookie($cookieName, $cookiePrefix);
	}

	return $gid ? $gid : null;
}