Doctrine\ODM\MongoDB\Tests\Aggregation\Stage\LookupTest::requireMongoDB32 PHP Method

    private function requireMongoDB32()
    {
        $mongoDbVersion = $this->dm->getConnection()->selectDatabase(DOCTRINE_MONGODB_DATABASE)->command(['serverStatus' => true]);
        if (version_compare($mongoDbVersion['version'], '3.2.0', '<')) {
            $this->markTestSkipped('$lookup tests require at least MongoDB 3.2.0');
        }
    }