php 遍历目录下的所以文件和文件夹

<?php
/**
 * 遍历文件夹和文件列
 * @author lizhiming
 * @date 2016/06/30
 */
define('DS', DIRECTORY_SEPARATOR);

class File
{
    //返回数组
    private $DirArray = array();
    private $FileArray = array();
    private $DirFileArray = array();

    private $Handle, $Dir, $File;

    //获取目录列表
    public static function getDir(& $Dir)
    {
        if (is_dir($Dir)) {
            if (false != ($Handle = opendir($Dir))) {
                while (false != ($File = readdir($Handle))) {
                    if ($File != '.' && $File != '..' && !strpos($File, '.') && is_dir($File)) {
                        $DirArray[] = $File;
                    }
                }
                closedir($Handle);
            }
        } else {
            $DirArray[] = '[Path]:\'' . $Dir . '\' is not a dir or not found!';
        }
        return $DirArray;
    }

    //获取文件列表
    public static function getFile(& $Dir)
    {
        if (is_dir($Dir)) {
            if (false != ($Handle = opendir($Dir))) {
                while (false != ($File = readdir($Handle))) {
                    if (($File != '.' && $File != '..' && strpos($File, '.')) || is_file($File)) {
                        $FileArray[] = $File;
                    }
                }
                closedir($Handle);
            }
        } else {
            $FileArray[] = '[Path]:\'' . $Dir . '\' is not a dir or not found!';
        }
        return $FileArray;
    }

    //获取目录/文件列表
    public static function getDirFile(& $Dir)
    {
        if (is_dir($Dir)) {
            $DirFileArray['DirList'] = self::getDir($Dir);
            if ($DirFileArray) {
                foreach ($DirFileArray['DirList'] as $Handle) {
                    $File = $Dir . DS . $Handle;
                    $DirFileArray['FileList'][$Handle] = self::getFile($File);
                }
            }
        } else {
            $DirFileArray[] = '[Path]:\'' . $Dir . '\' is not a dir or not found!';
        }
        return $DirFileArray;
    }

}