doctrine / mongodb-odm

            $data = $this->pb->prepareInsertData($document);

            // Set the initial version for each insert

            if ($this->class->isVersioned) {

                $versionMapping = $this->class->fieldMappings[$this->class->versionField];

                if ($versionMapping['type'] === 'int') {

                    $nextVersion = max(1, (int) $this->class->reflFields[$this->class->versionField]->getValue($document));

                    $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersion);

                } elseif ($versionMapping['type'] === 'date') {

                    $nextVersionDateTime = new \DateTime();

                    $nextVersion = new \MongoDate($nextVersionDateTime->getTimestamp());

                    $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersionDateTime);

                }

                $data[$versionMapping['name']] = $nextVersion;

            }

            $inserts[$oid] = $data;

        }

        $data = $this->pb->prepareUpsertData($document);

        // Set the initial version for each upsert

        if ($this->class->isVersioned) {

            $versionMapping = $this->class->fieldMappings[$this->class->versionField];

            if ($versionMapping['type'] === 'int') {

                $nextVersion = max(1, (int) $this->class->reflFields[$this->class->versionField]->getValue($document));

                $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersion);

            } elseif ($versionMapping['type'] === 'date') {

                $nextVersionDateTime = new \DateTime();

                $nextVersion = new \MongoDate($nextVersionDateTime->getTimestamp());

                $this->class->reflFields[$this->class->versionField]->setValue($document, $nextVersionDateTime);

            }

            $data['$set'][$versionMapping['name']] = $nextVersion;

        }

        foreach (array_keys($criteria) as $field) {

            unset($data['$set'][$field]);