Nette\Utils\Finder::findFiles PHP Метод

    public static function findFiles(...$masks)
    {
        return (new static())->select(is_array($masks[0]) ? $masks[0] : $masks, 'isFile');
    }

 public function beforeRender()
 {
     $dir = $this->getAbsoluteDirectory();
     $this->template->rootDir = $this->getRoot();
     $this->template->rootDirProvider = $this->rootDir;
     $this->template->fileSystemCurrent = Nette\Utils\Finder::findFiles('*')->in($dir);
 }