PHP 5.6 and 7.0 are now end-of-life (EOL). Installations should now be upgraded to currently supported versions. Should you need PHP 5.6 for a longer period, there are long-term support (LTS) options such as: Paid subscription to Zend Server 8.5 As the Webtatic EL6 repository only contains PHP 7.1 and MySQL 5.5, once these two become EOL, the Webtatic EL6 repository itself will become EOL. PHP 7.1