HTTPプロトコル蓄積

class CouchSimple {
    function CouchSimple($options) {
       foreach($options AS $key => $value) {
          $this->$key = $value;
       }
    } 
   
   function send($method, $url, $post_data = NULL) {
      $s = fsockopen($this->host, $this->port, $errno, $errstr); 
      if(!$s) {
         echo "$errno: $errstr
"; 
         return false;
      } 

      $request = "$method $url HTTP/1.0\r
Host: $this->host\r
"; 

      if ($this->user) {
         $request .= "Authorization: Basic ".base64_encode("$this->user:$this->pass")."\r
"; 
      }

      if($post_data) {
         $request .= "Content-Length: ".strlen($post_data)."\r
\r
"; 
         $request .= "$post_data\r
";
      } 
      else {
         $request .= "\r
";
      }

      fwrite($s, $request); 
      $response = ""; 

      while(!feof($s)) {
         $response .= fgets($s);
      }

      list($this->headers, $this->body) = explode("\r
\r
", $response); 
      return $this->body;
   }
}

リクエストヘッダ
HTTPリクエストのフォーマットは以下の通りです.
[]
要求方法:
GET
GET/reg.php HTTP/1.0\r
Host:www.baidu.com\r
Authorization: Basic 
POST
PUT
HEADER
DELETE
TRACE
CONNECT
OPTIONS
レスポンスヘッダ