function   httpPost($sURL,$aPostVars)
{ 
  $srv_ip = '域名';//你的目标服务地址或频道.
  $srv_port = 80;
  $url = $sURL; //接收你post的URL具体地址 
  $fp = '';
  $resp_str = '';
  $errno = 0;
  $errstr = '';
  $timeout = 300;
  $post_str = $aPostVars;//要提交的内容.
    
  $fp = fsockopen($srv_ip,$srv_port,$errno,$errstr,$timeout);
  if (!$fp)
  {
   echo('fp fail');

  }

  $content_length = strlen($post_str);
  $post_header = "POST $url HTTP/1.1\r\n";
  $post_header .= "Content-Type:application/x-www-form-urlencoded\r\n";
  $post_header .= "User-Agent: MSIE\r\n";
  $post_header .= "Host: ".$srv_ip."\r\n";;
  $post_header .= "Content-Length: ".$content_length."\r\n";
  $post_header .= "Connection: close\r\n\r\n";
  $post_header .= $post_str."\r\n\r\n";
  
  //echo $post_header;
  //echo $aPostVars; 

  fwrite($fp,$post_header);

  $inheader = 1;
  while (!feof($fp)) {
        $line = fgets($fp,1024); //去除请求包的头只显示页面的返回数据
        if ($inheader && ($line == "\n" || $line == "\r\n")) {
             $inheader = 0;
        }
        if ($inheader == 0) {
          echo $line;
        }
  }
}
$content = "您的注册验证码为8268，该验证码10分钟内有效。如非本人操作请忽略此短信！【浪驰软件】";
$content = iconv("utf-8","gb2312//IGNORE",$content); //如果是UTF-8 需要转码GB2312

httpPost("/LANZGateway/DirectSendSMSs.asp","UserID=999999&Account=lanz2016
&Password=735FF0028B7831D2783DD7EE98E3095DB94A1D64&Content=$content&Phones=11111111111&ReturnXJ=1");

	

XML：
<?xml version="1.0" encoding="GB2312"?>
<LANZ_ROOT>
<ErrorNum>0</ErrorNum>
<JobID>2321313130</JobID>
<PhonesSend>98</PhonesSend>
<ErrPhones>13855556666;13611112222</ErrPhones>
<DeductionSMSs>1000</DeductionSMSs>
</LANZ_ROOT>
 
JSON：
{
  "LANZ_ROOT": {
    "ErrorNum": "0",
    "JobID": "2321313130",
    "PhonesSend": "98",
    "ErrPhones": "13855556666;13611112222",
    "DeductionSMSs": "1000"
  }
}