Pagekit\Finder\Controller\FinderController::createFolderAction PHP Метод

    public function createFolderAction($name)
    {
        if (!$this->isValidFilename($name)) {
            return $this->error(__('Invalid file name.'));
        }
        if (!($path = $this->getPath($name))) {
            return $this->error(__('Invalid path.'));
        }
        if (file_exists($this->getPath($name))) {
            return $this->error(__('Folder already exists.'));
        }
        if ('w' !== $this->getMode(dirname($path))) {
            throw new ForbiddenException(__('Permission denied.'));
        }
        try {
            App::file()->makeDir($path);
            return $this->success(__('Directory created.'));
        } catch (\Exception $e) {
            return $this->error(__('Unable to create directory.'));
        }
    }