CUserOptions::SetCookieOptions

static function SetCookieOptions($cookieName)
{
	//last user setting
	$varCookie = array();
	parse_str($_COOKIE[$cookieName], $varCookie);
	setcookie($cookieName, false, false, "/");
	if (is_array($varCookie["p"]) && $varCookie["sessid"] == bitrix_sessid())
	{
		$arOptions = $varCookie["p"];
		CUtil::decodeURIComponent($arOptions);
		CUserOptions::SetOptionsFromArray($arOptions);
	}
}