function decode()
 {
     $t = http_request::type($this->type, 0);
     if ($t == "php") {
         return unserialize($this->content);
     } elseif ($t == "url") {
         parse_str($this->content, $r);
         return $r;
     } elseif ($t == "form") {
         // oh, not yet exactly
     }
 }