Bolt\Tests\Controller\Async\FilesystemManagerTest::restoreFileList PHP Метод

    public function restoreFileList()
    {
        $newFiles = array_udiff($this->getService('filesystem')->listContents(self::FILESYSTEM . '://'), $this->oldFiles, function (HandlerInterface $file1, HandlerInterface $file2) {
            return strcmp($file2->getPath(), $file2->getPath());
        });
        /** @var HandlerInterface $file */
        foreach ($newFiles as $file) {
            $file->delete();
        }
    }