How to install WeBid auction software on CentOS

In this tutorial, we will show you how to install WeBid on a CentOS 7 VPS with Apache, PHP and MySQL installed on it.
WeBid is an open source auction software written in PHP. It is the best solution to build auction web sites.
This tutorial was tested and written for a CentOS VPS, but it should work on any RPM based Linux distribution.