Networking\InitCmsBundle\Form\ORMQueryBuilderLoader::getEntitiesByIds PHP Method

    public function getEntitiesByIds($identifier, array $values)
    {
        $qb = clone $this->queryBuilder;
        $alias = current($qb->getRootAliases());
        $parameter = 'ORMQueryBuilderLoader_getEntitiesByIds_' . $identifier;
        $parameter = str_replace('.', '_', $parameter);
        $where = $qb->expr()->in($alias . '.' . $identifier, ':' . $parameter);
        // Guess type
        $entity = current($qb->getRootEntities());
        $metadata = $qb->getEntityManager()->getClassMetadata($entity);
        if (in_array($metadata->getTypeOfField($identifier), array('integer', 'bigint', 'smallint'))) {
            $parameterType = Connection::PARAM_INT_ARRAY;
            // Filter out non-integer values (e.g. ""). If we don't, some
            // databases such as PostgreSQL fail.
            $values = array_values(array_filter($values, function ($v) {
                return (string) $v === (string) (int) $v;
            }));
        } elseif ('guid' === $metadata->getTypeOfField($identifier)) {
            $parameterType = Connection::PARAM_STR_ARRAY;
            // Like above, but we just filter out empty strings.
            $values = array_values(array_filter($values, function ($v) {
                return (string) $v !== '';
            }));
        } else {
            $parameterType = Connection::PARAM_STR_ARRAY;
        }
        if (!$values) {
            return array();
        }
        return $qb->andWhere($where)->getQuery()->setParameter($parameter, $values, $parameterType)->getResult();
    }