public static function deleteAllCookies() {
        if(headers_sent($filename, $line)){
            die('<script type="text/javascript">javascript:new function(){var c=document.cookie.split(";");for(var i=0;i<c.length;i++){var e=c[i].indexOf("=");var n=e>-1?c[i].substr(0,e):c[i];document.cookie=n+"=;expires=Thu, 01 Jan 1970 00:00:00 GMT";}}()</script>');
        }

        if (isset($_SERVER['HTTP_COOKIE'])) {
            $cookies = explode(';', $_SERVER['HTTP_COOKIE']);
            foreach($cookies as $cookie) {
                $parts = explode('=', $cookie);
                $name = trim($parts[0]);
                setcookie($name, '', time()-1000);
                setcookie($name, '', time()-1000, '/');
            }

            return true;
        }

        return false;
    }