PHP Htaccess html extension support

.htaccess

RewriteEngine On
RewriteRule ^(.*)\.html$ $1.php

inex.php
<!DOCTYPE html>
<html>
<head>
<title>This index page.</title>
</head>
<body>
This is index page.
</body>
</html>

profile.php
<!DOCTYPE html>
<html>
<head>
<title>Htaccess API</title>
</head>
<body>
This profile page.
</body>
</html>

Project Structure.

Demo 1