- `/etc/php/$php_version/apache2/php.ini` - used when a client requests PHP resources from Apache
- `/etc/php/$php_version/php-fpm.conf` - used when PHP requests are proxied to PHP-FPM
- additional configuration files/entries, depending on the installed/enabled extensions:
- `/etc/php/$php_version/apache2/php.ini` - used when a client requests PHP resources from Apache
- `/etc/php/$php_version/php-fpm.conf` - used when PHP requests are proxied to PHP-FPM
- additional configuration files/entries, depending on the installed/enabled extensions: