/** * {@inheritdoc} */ public function execute(ConnectionInterface $connection, SplQueue $commands) { $size = count($commands); $values = array(); foreach ($commands as $command) { try { $connection->writeCommand($command); } catch (CommunicationException $exception) { return array_fill(0, $size, $exception); } } for ($i = 0; $i < $size; $i++) { $command = $commands->dequeue(); try { $response = $connection->readResponse($command); $values[$i] = $response instanceof \Iterator ? iterator_to_array($response) : $response; } catch (CommunicationException $exception) { $toAdd = count($commands) - count($values); $values = array_merge($values, array_fill(0, $toAdd, $exception)); break; } } return $values; }