Nested Set DB Table

This package can be used to manage nested sets of data stored in a database.

It can create and manage an hierarchy of nodes in a database table allowing to retrieve, add, update and delete nodes.

Developers should extend this class in order to use its functionality. Properties $_name (name of the table), $_primary (name of the primary key), $_left (left column name in nested table) and $_right (right column name in nested table) must be overrriden in the extending class and filled with appropriate values.

PDO instance must be supplied to the object of this class in order to use it.