Searching for the best PHP nested sets class (PEAR class excluded)

Question

I\'m looking for a PHP (with MYSQL) nested sets class with all needed functions. For example:

createLeftNode, createRightNode,createRootNode, createSubNode,deleteNod

Answer 1

It was long overdue, but I updated https://github.com/fpietka/Zend-Nested-Set (even with unit tests).