// 禁止网外链接（例如搜索引擎）查看网页内容
if(!empty( $_SERVER['HTTP_REFERER']))
{
preg_match("/^(http:\/\/)?([^\/]+)/i", $_SERVER['HTTP_REFERER'],  $matches);
 $host =  $matches[2];
if(( $host=="211.152.50.35")||( $host==www.phpv.net))
{
}
else
{
header("Location:http://www.phpv.net");
exit;
}
}
// 禁止直接输入网址查看网页内容
else
{
header("Location:http://www.phpv.net");