predis/lib/Predis/Protocol/Text/ResponseStatusHandler.php

<?php

namespace Predis\Protocol\Text;

use Predis\ResponseQueued;
use Predis\Protocol\IResponseHandler;
use Predis\Network\IConnectionComposable;

class ResponseStatusHandler implements IResponseHandler
{
    public function handle(IConnectionComposable $connection, $status)
    {
        switch ($status) {
            case 'OK':
                return true;

            case 'QUEUED':
                return new ResponseQueued();

            default:
                return $status;
        }
    }
}