# 1. Install the Software Collections tools:
yum install scl-utils
# 2. Download a package with repository for your system.
# (See the Yum Repositories section below. You can use 'wget URL'.)
# 3. Install the repo package:
yum install rhscl-rh-php56-*.noarch.rpm
# 4. Install the collection:
yum install rh-php56
# 5. Start using software collections:
scl enable rh-php56 bash