Imbo\EventListener\ImageTransformationCache::rmdir PHP Method

    private function rmdir($dir)
    {
        $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::CHILD_FIRST);
        foreach ($iterator as $file) {
            $name = $file->getPathname();
            if (substr($name, -1) === '.') {
                continue;
            }
            if ($file->isDir()) {
                // Remove dir
                rmdir($name);
            } else {
                // Remove file
                unlink($name);
            }
        }
        // Remove the directory itself
        rmdir($dir);
    }