php postÊý¾Ý,cookie³ÌÐò

<?php
 
 $url="ÕâÀïдÇëÇóµØÖ·";//http://pmtest.webgame.com.cn/d.php
 $data="ÕâÀïдpostÊý¾Ý";//Èç:a=123&b=456 ±íʾ´«Á½¸ö²ÎÊýaºÍb
 $rfr="·¢³öÊý¾ÝµÄÒ³ÃæµÄµØÖ·";
 $cookie="ÕâÀïдcookie";//Èç:PHPSESSIDs=123456; b=11212
 /*
 Àý×Ó:
 $rfr="http://*.cn/d.php";
 $url='http://*.cn/d.php';
 $data="a=123&b=456";
 $cookie="PHPSESSIDs=123456; b=11212";
 */
 echo "start";
 $url = parse_url($url); 
 #if (!$url) return "couldn't parse url";
 if (!isset($url['port'])) { $url['port'] = ""; }
 if (!isset($url['query'])) { $url['query'] = ""; }
 $encoded = $data;
 $fp = fsockopen($url['host'], $url['port'] ? $url['port'] : 80);
 #if (!$fp) return "Failed to open socket to $url[host]";
 fputs($fp, sprintf("POST %s%s%s HTTP/1.0\n", $url['path'], $url['query'] ? "?" : "", $url['query']));
 if(!empty($rfr))
 {
  fputs($fp, "Referer: $rfr\n");
 }
 if(!empty($cookie))
 {
  fputs($fp, "Cookie: $cookie\n");
 }
 fputs($fp, "Host: $url[host]\n");
 fputs($fp, "Content-type: application/x-www-form-urlencoded\n");
 fputs($fp, "Content-length: " . strlen($encoded) . "\n");
 fputs($fp, "Connection: close\n\n");
 fputs($fp, "$encoded\n");
  
 $line = fgets($fp,1024);
 $results = ""; $inheader = 1;
 while(!feof($fp)) {
  $line = fgets($fp,1024);
  if ($inheader && ($line == "\n" || $line == "\r\n")) {
   $inheader = 0;
  }
  elseif (!$inheader) {
   $results .= $line;
  }
 }
 fclose($fp);
 echo $results;
?>