DYNAMICALLY GENERATED PHP BAR GRAPHS
This tutorial takes you through the basics of using the PHP GD library to create bar graphs from a series of arrays.
OUTPUT ALL PHP SESSION VARIABLES
A big problem when using session variables is not knowing if the have been set correctly. This function outputs all the current session variables - allowing you to troubleshoot your app more effectively.
DYNAMIC YEAR DROPDOWN MENU FUNCTION
A common function. This dynamic year function allows you to minimise all those <select> and <option> tags down to just a few lines.