in query with array as parameter

repo.php

        use Doctrine\DBAL\Connection;
        ...
        return $this
            ->getEntityManager()
            ->getConnection()
            ->executeQuery(
                'SELECT * from posts WHERE id IN (?)',
                [$postIdCollection],
                [Connection::PARAM_INT_ARRAY]
            )
            ->fetchAll(\PDO::FETCH_UNIQUE);