MiniAsset\Output\AssetWriter::_timestampFile PHP Method

    protected function _timestampFile($file, $time)
    {
        if (!$time) {
            return $file;
        }
        $pos = strrpos($file, '.');
        $name = substr($file, 0, $pos);
        $ext = substr($file, $pos);
        return $name . '.v' . $time . $ext;
    }