WordPress自动检测并显示文章是否被百度收录

/* 检查百度是否已收录文章页面 开始*/
function baidu_check($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 baidu_record() {if(baidu_check(get_permalink()) == 1) {echo \'<a target=\"_blank\" title=\"点击查看\" rel=\"external nofollow\" href=\"https://www.baidu.com/s?wd=\'.get_the_title().\'\">百度已收录</a>\';
} else {echo \'<a style=\"color:red;\" rel=\"external nofollow\" title=\"一键帮忙提交给百度，谢谢您！\" target=\"_blank\" href=\"https://zhanzhang.baidu.com/sitesubmit/index?sitename=\'.get_permalink().\'\">百度未收录</a>\';
}
}

<?php baidu_record();?>