Take an array, and display it in a textarea.
Allows you to easily keep track of a series of items as either odd or even. Each time you check (using the "which" method) the counter increments so that the next time you check the state will have changed. This is the perfect class for using when you're outputting an HTML table and want to use different classes to differentiate between odd and even rows. Simply create a new instance and call OddEven->which() for each row!
Sort an object array by object attribute
These functions can quickly output tables from mysql database queries, and broaden analogous to a column. Descriptions appear in the code