Object describing the website node hierarchy with methods for traversing and describing the hierarchy.
Returns an array describing the breadcrumb trail to node $id, or false on error.
Returns an array of direct child nodes of node $id, or false if none exist.
Returns an array describing node $id, or false if none exist.
Returns an array describing node whose index document_path is $path, or false if none exist.
Returns an array describing the node hierarchy for the entire site. If $refresh=true, the method refreshes the node object's internal cache from the database first.
Returns an array describing parent node of node $id, or false if none exist.