Version: php --version
php.ini
php -i | grep "Loaded Configuration File"
Install php extensions (as root)
apt install php7.4-apcu and then restart the apache server systemctl restart apache2
Apache2 conf is /ect/apache2/apache2.conf and files are /var/www/html
Apache local environment and rights and virtual host.
Apache hosts conf: /etc/apache2/sites-available/000-default.conf and sudo a2ensite local.akeneo.conf