doctrine / mongodb-odm

        // Starting with MongoDB 3.2, this command returns code 20 when a collection is already sharded.

        // For older MongoDB versions, check the error message

        if ($result['ok'] == 1 || (isset($result['code']) && $result['code'] == 20) || $result['errmsg'] == 'already sharded') {

            return;

        }

        throw MongoDBException::failedToEnsureDocumentSharding($documentName, $result['errmsg']);

    }

        // Error code is only available with MongoDB 3.2. MongoDB 3.0 only returns a message

        // Thus, check code if it exists and fall back on error message

        if ($result['ok'] == 1 || (isset($result['code']) && $result['code'] == 23) || $result['errmsg'] == 'already enabled') {

            return;

        }

        throw MongoDBException::failedToEnableSharding($dbName, $result['errmsg']);

    }