Modifiy query string copy HttpQueryString::get HttpQueryString::set The HttpQueryString class PHP Manual HttpQueryString::mod (PECL pecl_http:1.1.0-1.5.5)HttpQueryString::mod — Modifiy query string copy Description public HttpQueryString HttpQueryString::mod ( mixed $params ) Copies the query string object and sets provided params at the clone. Parameters params query string params to add Return Values Returns a new HttpQueryString object HttpQueryString::get HttpQueryString::set The HttpQueryString class PHP Manual