Cml\Db\MongoDB\MongoDB::version PHP Метод

    public function version($link = null)
    {
        $cursor = $this->getMaster()->executeCommand($this->getDbName(), new Command(['buildInfo' => 1]));
        $cursor->setTypeMap(['root' => 'array', 'document' => 'array']);
        $info = current($cursor->toArray());
        return $info['version'];
    }