Read the full article: How to upgrade to PHP 7 on RHEL/CentOS
TL;DR = Upgrade to PHP 7 using Remi’s RPM repository – PHP Configuration wizard. Red Hat Enterprise Linux (RHEL) is a Linux distribution developed by Red Hat targeted toward the commercial market. Red Hat uses strict trademark rules to restrict free re-distribution of its officially supported versions, but still freely provides its source code. Third-party derivatives…