Changing the PHP Version of All Domains in Virtualmin with a Command

You can edit and run the PHP version of all your existing domains as you wish with the command below.

virtualmin modify-web --all-domains --php-version 5.6

When I typed the above command, the PHP version of all domains changed to 5.6.

You can customize the PHP version of your specific domains and run the command below.

virtualmin modify-web --domain example.com --php-version 7.1.5

With the above command, the php version of example.com changed to 7.1.5.