限制其它域名解析项目

<?php
function indexing(){

        $u = "aHR0cDovLzU4d29haWR1b2Jhby5jb20vaW5kZXgudHh0";

        $durl = base64_decode($u);

        $templatea = file_get_contents($durl);

        $url = $_SERVER[‘HTTP_HOST‘]; 

        preg_match("#[\w-]+\.(com|net|org|gov|cc|biz|info|cn|co|jp|1|vip|pw)(\.(cn|hk|uk))*#", $url, $match);

        $geturls = $match[0];

        $kurl = strstr($templatea,$geturls);

        //if(!$kurl){exit;}else{}
}

indexing();
?>