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();
?>