How to use PHP Include (Makes coding a lot easier)
In this tutorial I will show you how to use PHP include to make your coding a lot easier ! 
You won’t have to change your code on EVERY file when you have a new layout !
Duration : 0:4:33
PHP Tutorial 3 – Mathematics, Operators and Includes
Language: PHP
Assumed knowledge: HTML, CSS
Software required: PHP, MySQL and Apache
Topics covered: Use of operators in mathematics and the include, include_once, require and require_once functions.
Duration : 0:9:26
html coding