Two sites in one?

Question

PHP

Hello! You need to make two sites on one site, that is, a site for ordinary users and a site for people working with the company (the difference in them will not be big) with a switch. How to implement it correctly? Just make two index files?
Are there smarter solutions?
Site on html, php
Thank you in advance)

Answer 1

Read how to organize authorization in PHP, and display other content for authorized users.