babble

             $this->digest_header = null;
             if (!empty($this->server['PHP_AUTH_DIGEST'])) {
                 //$this->digest_header = substr($this->server['PHP_AUTH_DIGEST'],
                   //                            strpos($this->server['PHP_AUTH_DIGEST'],' ')+1);
                   $this->digest_header = $this->server['PHP_AUTH_DIGEST'];
                   $headers = getallheaders();
             } else {
                 $headers = getallheaders();
                 if(isset($headers['Authorization']) && !empty($headers['Authorization'])) {
                     $this->digest_header = substr($headers['Authorization'],
                                                   strpos($headers['Authorization'],' ')+1);
                 }
             }