I have a server that has an application that runs with PHP 5.6. But I upgraded the server from Ubuntu 14.04 to 18.04 and in the process I also upgraded PHP to 7.2. Now I\'m tryi
Firstly you need to restart the apache to take all in effect and also You can install mutliple php version using this post or just using
sudo apt update
sudo apt-add-repository ppa:ondrej/php
sudo apt update
sudo apt install -y php5.6 php5.6-cli php5.6-common
disable php7.2:
sudo a2dismod php7.2
enable php 5.6:
sudo a2enmod php5.6
After all restart the apache again to take into affect
service apache2 restart