<?php

function postUrl($url, $postvar)
{
  $ch = curl_init();
  $headers = array(
    \"POST\".$url.\"HTTP/1.0\",
    \"Content-type: text/xml; charset=\\\"gb2312\\\"\",
    \"Accept: text/xml\",
    \"Content-length: \".strlen($postvar)
  );
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $postvar);
  $res = curl_exec ($ch);
  curl_close ($ch);
  return $res;
}

$baiduXML = \"<?xml version=\\\"1.0\\\" encoding=\\\"gb2312\\\"?>
<methodCall>
  <methodName>weblogUpdates.extendedPing</methodName>
  <params>
    <param><value><string>愚人渡</string></value></param>
    <param><value><string>http://www.phpstudy.net</string></value></param>
    <param><value><string>http://www.phpstudy.net/read.php?tid-96.html</string></value></param>
    <param><value><string>http://www.phpstudy.net</string></value></param>
  </params>
</methodCall>\";

$res = postUrl(\'http://ping.baidu.com/ping/RPC2\', $baiduXML);

if ( strpos($res, \"<int>0</int>\") )
{
  echo \"PING成功\";
}else{
  echo \"PING失败\";
}

?>