php使用百度ping服务代码实例

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($ch,CURLOPT_POST,CURLOPT_HTTPHEADER,$headers);
curl_setopt($ch,CURLOPT_POSTFIELDS,$postvar);
$res = curl_exec ($ch);
curl_close ($ch);
return $res;
}

$baiduXML = "<?xml version="1.0" encoding="gb2312"?>

weblogUpdates.extendedPing 愚人渡 //www.52php.cn //www.52php.cn/read.php?tid-96.html //www.52php.cn ";

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

if ( strpos($res,"0") )
{
echo "PING成功";
}else{
echo "PING失败";
}

?>