DisplayNode(0); $i = 0; return empty($data) ? '' : '

' . $this->outputLi($data, $i, 0) . '

'; } private function outputLi($nodes, &$i) { $node = $nodes[$i]; $currentDepth = $node['depth']; $nextDepth = isset($nodes[$i+1]) ? $nodes[$i+1]['depth'] : 0; // Set up output for LI $class = 'jstree-' . ($node['leaf'] ? 'leaf' : 'open'); $id = $node['id']; $output = '

' . $node['name'] . ''; // If next node is below, start a UL node if($nextDepth > $currentDepth) $output .= '

' . $this->outputLi($nodes, ++$i); // If next node is above, close current LI and the multiple UL/LI above else if($nextDepth < $currentDepth) return $output . '' . str_repeat('

', $currentDepth-$nextDepth); // If same level, just close current LI. else $output .= ''; if(isset($nodes[$i+1])) return $output . $this->outputLi($nodes, ++$i); else return $output; } }