扩展例如：gg，html，lol，wtf，biz等
http://localhost:1993/dashboard.gg => http://localhost:1993/dashboard
http://localhost:1993/dashboard.lol => http://localhost:1993/dashboard
http://localhost:1993/dashboard.html => http://localhost:1993/dashboard
我想要：
1。如何删除除.php和.css
以外的所有扩展程序2. 如何将所有扩展程序重定向到404错误，除了.php