File Manager

Directory.php

<?php
namespace fm;

class Directory extends File
{
    public function open() {
        echo "<h2>Index of: ". $this->path ."</h2>\n";
        $files = new \DirectoryIterator($this->path);

        foreach ($files as $file) {
            $is_dir = $file->isDir();
            $line = $this->renderLine($file, $is_dir);
            $is_dir ? $dirs["$file"] = $line : $_files["$file"] = $line;
        }
        isset($dirs) && ksort($dirs);
        isset($_files) && ksort($_files);
        print implode('', (array)@$dirs);
        print implode('', (array)@$_files);
    }

    protected function renderLine($file, $is_dir) {
        $icon = $is_dir ? '[+]' : '(&middot;)';
        return $icon ." <a href='" . FileManager::homeUrl() . $file->getPathname() ."'>". $file->getBasename(). "</a><hr>\n";
    }
}

File.php

<?php
namespace fm;

class File
{
    private $path;
    private $isReadable;

    public function __construct($path) {
        $this->path = $path;
    }

    public function __get($prop) {
        return $this->$prop;
    }

    public function open() {
        echo $this->path;
        return;
        header('Content-Description: File Transfer');
        header('Content-Type: application/octet-stream');
        header('Content-Disposition: attachment; filename="' . basename($this->path) . '"');
        header('Expires: 0');
        header('Cache-Control: must-revalidate');
        header('Pragma: public');
        header('Content-Length: ' . filesize($this->path));
        readfile($this->path);
    }
}

FileManager.php

<?php
namespace fm;

class FileManager
{
    public static function run() {
        $path = self::getUri();
        $file = is_dir($path) ? 'fm\Directory' : 'fm\File';
        $file = new $file($path);
        $file->open();
    }

    public static function getUri() {
        return $_SERVER ['PATH_INFO'] ?: dirname($_SERVER['SCRIPT_FILENAME']);
    }

    public static function homeUrl() {
        return $_SERVER['SCRIPT_NAME'];
    }
}

index.php

<?php

spl_autoload_register('autoloader');
fm\FileManager::run();

function autoloader($class) {
    $paths = [
        'fm' => '.',
    ];

    foreach ($paths as $ns => $path) {
        foreach ((array)$path as $p) {
            $p = trim($p, '/');
            $file = __DIR__.($p?'/'.$p:null).'/'. substr($class, strlen($ns));
            $file = str_replace('\\', '/', $file) .'.php';

            if(is_file($file)) {
                include $file;
            }
        }
        if (strpos($class, $ns.'\\') === 0) {
            break;
        }
    }
}

integrasi Flysystem ?????