PHP的博客ping服务代码

<?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>WEB开发笔记</string></value></param>
<param><value><string>https://www.jb51.net</string></value></param>
<param><value><string>https://www.jb51.net/001</string></value></param>
<param><value><string>https://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";
}
?>