S3Browser::getTree PHP Method

    public function getTree()
    {
        $tree = array();
        $contents = $this->getBucketContents();
        if ($contents === null) {
            return null;
        }
        foreach ($contents as $key => $data) {
            $isFolder = false;
            // S3Hub and S3Fox append this suffix to folders
            if (substr($key, -9) == '_$folder$') {
                $key = substr($key, 0, -9);
                $isFolder = true;
            } else {
                if (substr($key, -1) == '/') {
                    $key = substr($key, 0, -1);
                    $isFolder = true;
                }
            }
            $parts = explode('/', $key);
            // add to tree
            $cur =& $tree;
            $numParts = count($parts);
            for ($i = 0; $i < $numParts; $i++) {
                $part = $parts[$i];
                // file
                if (!$isFolder && $i == $numParts - 1 && !isset($cur[$part])) {
                    $cur[$part] = $data;
                    $cur[$part]['hsize'] = self::formatSize($data['size']);
                    $cur[$part]['path'] = $cur[$part]['name'];
                    $cur[$part]['name'] = $part;
                } else {
                    if (!isset($cur[$part])) {
                        $path = implode('/', array_slice($parts, 0, $i + 1));
                        $cur[$part] = array('path' => $path, 'name' => $part, 'files' => array());
                    }
                    $cur =& $cur[$part]['files'];
                }
            }
        }
        return $tree;
    }