Red Hat will provide PHP 7.1 for RHEL (and CentOS)
Stability addicts can keep quiet, PHP 5.3.3 is still the standard version provided with RHEL-6, and PHP 5.4.16 the one in RHEL-7
We'll soon have an official and supported way to install PHP version 5.6, 7.0 or 7.1, beside the system version, without any effect on installed components. Announcement tells the life cycle will be 3 years. Provided version is 7.1.8.
It's a beta version, published for evaluation purpose.
For more information about installation and use, you can read my previous blog articles about SCL.
For users who need more extensions, you can use the centos-sclo-sclo-testing repository.
Apart from PHP, RHSCL 3.0 is enhanced by some nice collections, I especially appreciate Mariadb 10.2, MongoDB 3.4 and PostgreSQL 9.6.
I think this is a very important new feature which should help for the adoption of recent PHP version in enterprise environment.
If you have questions, I have even open a dedicated Forum: About PHP SCL.