' . htmlspecialchars($node->getLabel()); if ($recursive && $node->hasChildNodes()) { $this->recursionLevel++; $code .= $this->renderNodeCollection($node->getChildNodes()); $this->recursionLevel--; } $code .= ''; return $code; } /** * Renders a node collection recursive or just a single instance * * @param bool $recursive * @return string */ public function renderTree(AbstractTree $tree, $recursive = true) { $this->recursionLevel = 0; $code = ''; return $code; } /** * Renders a tree recursively or just a single instance * * @param bool $recursive * @return string */ public function renderNodeCollection(TreeNodeCollection $collection, $recursive = true) { $code = ''; return $code; } }