在属性方法内写匿名方法 递归文件

    #货物当前所有的版本文件夹
    public function getDirList()
    {
        $root_path = Env::get('root_path');
        $fileDirectory = $root_path . '/public/codeZip';
        $newFile = [];
        $tree = function ($fileDirectory, $newFile) use (&$treet) {
            if (is_dir($fileDirectory)) {
                $file = scandir($fileDirectory, 1);
                if ($file) {
                    foreach ($file as $key => $value) {
                        if ($value  != '.' && $value != '..') {
                            if (is_dir($fileDirectory . '/' . $value)) {
                                return $treet($fileDirectory . '/' . $value, $newFile);
                            }
                            if ($value !== '.' && $value !== '..') {
                                $newFile[] = $value;
                            }
                        }
                    }
                    return $newFile;
                }
            }
            return [];
        };
        $dirList = $greet($fileDirectory, $newFile);
        return $this->returnData(0, '成功', $dirList);
    }



　　#按修改时间倒叙

    public function getDirList()
    {
        $root_path = Env::get('root_path');
        $fileDirectory = $root_path . '/public/codeZip';
        $newFile = [];
        $greet = function ($fileDirectory, $newFile, &$seconds) use (&$greet) {
            if (is_dir($fileDirectory)) {
                $file = scandir($fileDirectory, 1);
                if ($file) {
                    foreach ($file as $key => $value) {
                        if ($value  != '.' && $value != '..') {
                            if (is_dir($fileDirectory . '/' . $value)) {
                                return $greet($fileDirectory . '/' . $value, $newFile, $seconds);
                            }
                            if ($value !== '.' && $value !== '..') {
                                $newFile[$seconds]['fileName'] = $value;
                                $newFile[$seconds]['uTime'] = filemtime($fileDirectory . '/' . $value);
                            }
                            $seconds += 1;
                        }
                    }
                    return $newFile;
                }
            }
            return [];
        };
        $seconds = 0;


        $dirList = $greet($fileDirectory, $newFile, $seconds);
        $uTime = array_column($dirList, 'uTime');
        array_multisort($uTime, SORT_DESC, $dirList);
        $dirList = array_column($dirList, 'fileName');
        return $this->returnData(0, '成功', $dirList);
    }