代码实例：

<?phpfunction 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.jb51.NET</string></value></param>    <param><value><string>http://www.jb51.NET/read.php?tid-96.html</string></value></param>    <param><value><string>http://www.jb51.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";}?>

php技术：php使用百度ping服务代码实例，转载需保留来源！

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