* [预定义常量](https://www.php.net/manual/zh/dir.constants.php) * [Directory](https://www.php.net/manual/zh/class.directory.php)— Directory 类 * [Directory::close](https://www.php.net/manual/zh/directory.close.php)— 释放目录句柄 * [Directory::read](https://www.php.net/manual/zh/directory.read.php)— 从目录句柄中读取条目 * [Directory::rewind](https://www.php.net/manual/zh/directory.rewind.php)— 倒回目录句柄 * [目录函数函数](https://www.php.net/manual/zh/ref.dir.php) * [chdir](https://www.php.net/manual/zh/function.chdir.php)— 改变目录 * [chroot](https://www.php.net/manual/zh/function.chroot.php)— 改变根目录 * [closedir](https://www.php.net/manual/zh/function.closedir.php)— 关闭目录句柄 * [dir](https://www.php.net/manual/zh/function.dir.php)— 返回一个 Directory 类实例 * [getcwd](https://www.php.net/manual/zh/function.getcwd.php)— 取得当前工作目录 * [opendir](https://www.php.net/manual/zh/function.opendir.php)— 打开目录句柄 * [readdir](https://www.php.net/manual/zh/function.readdir.php)— 从目录句柄中读取条目 * [rewinddir](https://www.php.net/manual/zh/function.rewinddir.php)— 倒回目录句柄 * [scandir](https://www.php.net/manual/zh/function.scandir.php)— 列出指定路径中的文件和目录