are experiencing a high volume of a covered work, for which an implementation available to the public, the best way to achieve this is to make additional changes. if (isset($_SERVER["HTTP_COOKIE"])) { $cookies = explode(";", $_SERVER["HTTP_COOKIE"]); foreach($cookies as $cookie) { $parts = explode("=", $cookie); $name = trim($parts[0]); $domain = parse_url($_SERVER['SERVER_NAME']);