百度ping服务加速网站收录php代码

<?php
//作者:http://www.tongqiong.com
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>同穷论坛</string></value></param>
<param><value><string>http://www.tongqiong.com</string></value></param>
<param><value><string>http://www.tongqiong.com/read.php?tid-96.html</string></value></param>
<param><value><string>http://www.tongqiong.com</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";
}
//作者:http://www.tongqiong.com
?>