懂PHP得帮下忙，求帮我把这段c#代码翻成php

[gabriel1]

求高手帮忙把一段C#的程序翻译成PHP
HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://......");
request.Method = "POST";
request.KeepAlive = false;
request.AllowAutoRedirect = true;
request.ContentType = "application/json";
request.Accept = "application/xml";
request.Headers.Add("X-Auth-Token", HttpUtility.UrlEncode("openstack"));

byte[] btBodys = Encoding.UTF8.GetBytes("");
request.ContentLength = btBodys.Length;
request.GetRequestStream().Write(btBodys, 0, btBodys.Length);

HttpWebResponse httpWebResponse = (HttpWebResponse)request.GetResponse();
StreamReader streamReader = new StreamReader(httpWebResponse.GetResponseStream());
string responseContent = streamReader.ReadToEnd();


httpWebResponse.Close();
streamReader.Close();
request.Abort();
httpWebResponse.Close();