Horde_Core_Ajax_Response::send PHP Метод

    public function send()
    {
        /* By default, the response is sent JSON encoded.
         *
         * Make sure no null bytes sneak into the JSON output stream. Null
         * bytes cause IE to stop reading from the input stream, causing
         * malformed JSON data and a failed request.  These bytes don't
         * seem to break any other browser, but might as well remove them
         * anyway. */
        header('Content-Type: application/json');
        echo str_replace("", '', Horde_Serialize::serialize($this->data, Horde_Serialize::JSON));
    }