How to use php to make many different pages from 1 template page?

Question

PHP

Let's say there is an index.php file at the root of the directory. You can access this file by the conditional link site.ru. How can I make it using php so that when I go to the site.ru/second site, I get an index.php page with data taken from the subd?

Answer 1

# .htaccess
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ([^?]+) index.php?%{QUERY_STRING}&p=$1 [L]

<?php // index.php
echo $_GET['p'];