public function findfile($arr) {
            $files = array();
            foreach ($arr as $file) {
                $child = glob($file."/*");
                if(count($child)>0) {
                    $file = $this->findfile($child);
                    $files = array_merge($files,$file);
                }
            }
        return array_merge($arr,$files);
    }    
    print_r($this->findfile(glob("D:/workspace/yunadmin/*")));exit;