Відправити тескові данні в PHP

C#

            using System.Net;

            using System.Collections.Specialized;            

            string URL = "http://site.com/1.php";

            WebClient webClient = new WebClient();

            NameValueCollection formData = new NameValueCollection();

            formData["name"] = "Andriy";

            formData["phone"] = "+38(067) 777-77-77";

            byte[] responseBytes = webClient.UploadValues(URL, "POST", formData);

            string responsefromserver = Encoding.UTF8.GetString(responseBytes);

            Console.WriteLine(responsefromserver);  

            webClient.Dispose();

PHP

<?php

     $file = "1.txt";

     $data = $_POST["name"] . " " . $_POST["phone"];

     file_put_contents($file, $data, FILE_APPEND);

     print_r("Done");

?>