Emlog添加判断文章是否被百度收录代码

<?php //判断内容页是否百度收录
function baidu($url){
$url='http://www.baidu.com/s?wd='.$url;
$curl=curl_init();curl_setopt($curl,CURLOPT_URL,$url);curl_setopt($curl,CURLOPT_RETURNTRANSFER,1);$rs=curl_exec($curl);curl_close($curl);if(!strpos($rs,'没有找到')){return 1;}else{return 0;}}
function logurl($id){$url=Url::log($id);
if(baidu($url)==1){echo "百度已收录！";
}else{echo "<a style=\"color:red;\" rel=\"external nofollow\" title=\"点击提交收录！\" target=\"_blank\" href=\"http://zhanzhang.baidu.com/sitesubmit/index?sitename=$url\">百度尚未收录。</a>";}}
?>

<?php echo logurl($logid);?>