使用php进行301跳转2级域名的代码
<?php$host=$_SERVER['HTTP_HOST'];
$host=explode(".",$host);
$count_host=count($host);
if($count_host==3){
$host['0'].'.'.$host['2'];
$ym="http://".$host['0'].".根域名";
Header("HTTP/1.1 301 Moved Permanently");
Header("Location: $ym");//你的域名
}
if($count_host==2){
$ym="http://需要跳转的域名";//你的域名
Header("HTTP/1.1 301 Moved Permanently");
Header("Location: $ym");
}
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