}
    public function sendGetById($id)
    {
        $ch = curl_init("http://localhost/slimrest/books/{$id}");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
        $response = curl_exec($ch);
        curl_close($ch);
        if (!$response) {
            return false;
        } else {
            var_dump($response);
        }
    }
    public function sendDelete($id)
    {
        $ch = curl_init("http://localhost/slimrest/books/{$id}");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");
        $response = curl_exec($ch);
        curl_close($ch);
        if (!$response) {
            return false;
        } else {
            var_dump($response);
        }
    }
}
$curl = new Consumer();
$curl->sendDelete(2);