Doctrine\DBAL\Connection::fetchAll PHP Method

    public function fetchAll($sql, array $params = array(), $types = array())
    {
        return $this->executeQuery($sql, $params, $types)->fetchAll();
    }

 /**
  * @param QueryInterface $query
  * @return array
  */
 public function fetch(QueryInterface $query)
 {
     $query->checkReplacements();
     $plainQuery = $query->getPlainQuery();
     list($parameters, $plainQuery) = $this->modifyParametersFromArrayToScalar($query->getParameters(), $plainQuery);
     return $this->connection->fetchAll($plainQuery, $parameters);
 }