Unlimited sub-categories: Manage categories of hierarchic content

******* NOTICE: You should not use this class anymore, Refere to a more updated version of this class at the following link "NestedNodes" class: http://www.phpclasses.org/browse/package/3693.html ******

This class can be used to manage categories of content stored in a MySQL that is structured in hierarchies of unlimited depth.

The categories hierarchy is stored in a MySQL table that keeps the information about each category including the identifier of its parent category record.

The class provides functions to add a new category, update, delete and retrieve the details of an existing category, retrieve the list of categories as an array or formatted in HTML.