This how-to guide explains how to install the latest version of the Apache 2.4, MariaDB/MySQL 5.5, and PHP 5.5/PHP 5.6 along with the required PHP modules on RHEL / CentOS 7/6 and Fedora 18-23.
This combination of operating system (Linux) with web server (Apache), database server (MariaDB/MySQL) and server-side scripting language (PHP) is known as LAMP stack.