A class for displaying various tree-like structures.

Ends the element output, if needed.

Ends the list of after the elements are added.

Starts the element output.

Starts the list before the elements are added.

Displays array of elements hierarchically.

Core class used to create an HTML list of categories.

Ends the element output, if needed.

Ends the list of after the elements are added.

Starts the element output.