，php自动ping百度的然后.

求助，php自动ping百度的然后....
小弟有一个php的站，本来程序没有rss自动ping百度的功能，但是我想加一个，于是从网上找了段代码如下：

PHP code

<!--

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--><?php
function postUrl($url, $postvar)
{
    $ch = curl_init();
    $headers = array(
        “POST “.$url.” HTTP/1.0″,
        “Content-type: text/xml; charset=\”utf-8\”",
        “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;
}

$baiduXML = “<?xml version=\”1.0\” encoding=\”utf-8\”?>
   <methodCall>
   <methodName>weblogUpdates.extendedPing</methodName>
   <params>
   <param><value><string>$url</string></value></param>
   <param><value><string>$url</string></value></param>
   </params>
   </methodCall>”;
$res = postUrl(‘http://ping.baidu.com/ping/RPC2′, $baiduXML);
?>

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PHP code

function postUrl($url, $postvar)
{
    $ch = <a style="color:#f60; text-decoration:underline;" title="curl" href="https://www.php.cn/zt/17285.html" target="_blank">curl</a>_init();
    $headers = array(
        "POST ".$url." HTTP/1.0",
        "Content-type: text/xml; charset=\”utf-8\"",
        "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;
}

$url = ''; //不知道这个值是什么
$baiduXML = "<?xml version=\"1.0\” encoding=\"utf-8\"?><methodcall><methodname>weblogUpdates.extendedPing</methodname><params><param><value><string>$url</string></value><param><value><string>$url</string></value></params></methodcall>";
echo $res = postUrl('http://ping.baidu.com/ping/RPC2', $baiduXML); <div class="clear"></div>

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