public function copy($src, $dest)
    {
        if (is_dir($src)) {
            $this->ensureDir($dest);
            $files = scandir($src);
            foreach ($files as $file) {
                if ($file !== '.' && $file !== '..') {
                    $this->copy($src . '/' . $file, $dest . '/' . $file);
                }
            }
        } else {
            $this->ensureDir(dirname($dest));

            copy($src, $dest);
        }
    }