Pagekit\Finder\Controller\FinderController::indexAction PHP Method

    public function indexAction($path)
    {
        if (!($dir = $this->getPath())) {
            return $this->error(__('Invalid path.'));
        }
        if (!is_dir($dir) || '-' === ($mode = $this->getMode($dir))) {
            throw new ForbiddenException(__('Permission denied.'));
        }
        $data = array_fill_keys(['items'], []);
        $data['mode'] = $mode;
        $finder = App::finder();
        $finder->sort(function ($a, $b) {
            return $b->getRealpath() > $a->getRealpath() ? -1 : 1;
        });
        foreach ($finder->depth(0)->in($dir) as $file) {
            if ('-' === ($mode = $this->getMode($file->getPathname()))) {
                continue;
            }
            $info = ['name' => $file->getFilename(), 'mime' => 'application/' . ($file->isDir() ? 'folder' : 'file'), 'path' => $this->normalizePath($path . '/' . $file->getFilename()), 'url' => ltrim(App::url()->getStatic($file->getPathname(), [], 'base'), '/'), 'writable' => $mode == 'w'];
            if (!$file->isDir()) {
                $info = array_merge($info, ['size' => $this->formatFileSize($file->getSize()), 'lastmodified' => date(\DateTime::ATOM, $file->getMTime())]);
            }
            $data['items'][] = $info;
        }
        return $data;
    }