Packages-obsoletes – Webtatic.com

Webtatic has now ended support for PHP 5.3, and suggests either:

Upgrade RHEL/CentOS to 6.7, so that you can install php 5.3.3, which is still supported by those distributions.
Upgrade PHP to the one of the latest available versions, which Webtatic supplies PHP 5.6 for EL6/EL7 and PHP 7.0 for EL6/EL7

Webtatic has now ended support for PHP 5.5, and suggests either:

Upgrade RHEL/CentOS to 7.2, so that you can install php 5.4.16, which is still supported by those distributions.
Upgrade PHP to the one of the latest available versions, which Webtatic supplies PHP 5.6 for EL6/EL7 and PHP 7.0 for EL6/EL7

Webtatic has now ended support for PHP 5.5, and suggests either:

Upgrade RHEL/CentOS to 7.2, so that you can install php 5.4.16, which is still supported by those distributions.
Upgrade PHP to the one of the latest available versions, which Webtatic supplies PHP 5.6 for EL6/EL7 and PHP 7.0 for EL6/EL7