<?php

      function HTTP_Post($URL,$data, $referrer="") { 

        // parsing the given URL

        $URL_Info=parse_url($URL); 

        // Building referrer

        if($referrer=="") // if not given use this script as referrer

          $referrer=$_SERVER["SCRIPT_URI"]; 

        // making string from $data

        foreach($data as $key=>$value)

          $values[]="$key=".urlencode($value);

        $data_string=implode("&",$values); 

        // Find out which port is needed - if not given use standard (=80)

        if(!isset($URL_Info["port"]))

          $URL_Info["port"]=80; 

        // building POST-request:

        $request.="POST ".$URL_Info["path"]." HTTP/1.1\n";

        $request.="Host: ".$URL_Info["host"]."\n";

        $request.="Referer: $referer\n";

        $request.="Content-type: application/x-www-form-urlencoded\n";

        $request.="Content-length: ".strlen($data_string)."\n";

        $request.="Connection: close\n";

        $request.="\n";

        $request.=$data_string."\n"; 

        $fp = fsockopen($URL_Info["host"],$URL_Info["port"]);

        fputs($fp, $request);

        while(!feof($fp)) {

            $result .= fgets($fp, 128);

        }

        fclose($fp); 

        return $result;

      } 

      $output1=HTTP_Post("http://www.example.com/script1.php",$_POST);

      $output2=HTTP_Post("http://www.example.net/script2.php",$_POST);

?>

注意：

Host：对应的值不能带有http://