Is it possible to integrate PHP code into htaccess files to enhance security measures?

Integrating PHP code into htaccess files can enhance security measures by allowing for dynamic configurations based on certain conditions. This can be useful for implementing access control, URL redirection, or other security measures that require server-side processing.

<IfModule mod_rewrite.c>
    RewriteEngine On

    # Block access to sensitive directories
    RewriteRule ^includes/ - [F]

    # Redirect all HTTP requests to HTTPS
    RewriteCond %{HTTPS} off
    RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
</IfModule>