Install extension modules for PHP 5.6 created under Software Collections (multiple PHP versions in a system)
This article is the continuation of Running multiple PHP versions on CentOS 7 using Virtualmin. Some of us assumed that the additional PHP version in our systems inherits the extension modules installed for system version of the default PHP package installed from system distribution. Remember the two PHP versions installed are independent in respect to each other so we need to install another set of extension modules for our additional PHP version.