Google\Cloud\Datastore\Operation::mapEntityResult PHP Method

    private function mapEntityResult(array $entityResult, $class)
    {
        $entities = [];
        foreach ($entityResult as $result) {
            $entity = $result['entity'];
            $properties = [];
            $excludes = [];
            $meanings = [];
            if (isset($entity['properties'])) {
                $res = $this->entityMapper->responseToEntityProperties($entity['properties']);
                $properties = $res['properties'];
                $excludes = $res['excludes'];
                $meanings = $res['meanings'];
            }
            $namespaceId = isset($entity['key']['partitionId']['namespaceId']) ? $entity['key']['partitionId']['namespaceId'] : null;
            $key = new Key($this->projectId, ['path' => $entity['key']['path'], 'namespaceId' => $namespaceId]);
            if (is_array($class)) {
                $lastPathElement = $key->pathEnd();
                if (!array_key_exists($lastPathElement['kind'], $class)) {
                    throw new InvalidArgumentException(sprintf('No class found for kind %s', $lastPathElement['kind']));
                }
                $className = $class[$lastPathElement['kind']];
            } else {
                $className = $class;
            }
            $entities[] = $this->entity($key, $properties, ['cursor' => isset($result['cursor']) ? $result['cursor'] : null, 'baseVersion' => isset($result['version']) ? $result['version'] : null, 'className' => $className, 'populatedByService' => true, 'excludeFromIndexes' => $excludes, 'meanings' => $meanings]);
        }
        return $entities;
    }