Lime\Helper\Filesystem::ls PHP Method

    public function ls()
    {
        $pattern = null;
        $dir = null;
        $args = func_get_args();
        $lst = array();
        switch (count($args)) {
            case 0:
                $dir = getcwd();
            case 1:
                $dir = $this->app->path($args[0]);
                break;
            case 2:
                $pattern = $args[0];
                $dir = $this->app->path($args[1]);
                break;
            default:
                return $lst;
        }
        if (!$dir || !file_exists($dir)) {
            return $lst;
        }
        foreach (new \DirectoryIterator($dir) as $file) {
            if ($file->isDot()) {
                continue;
            }
            if ($pattern && !fnmatch($pattern, $file->getBasename())) {
                continue;
            }
            $lst[] = new \SplFileObject($file->getRealPath());
        }
        return $lst;
    }