<?php

/*
 * This file is part of the Predis package.
 *
 * (c) 2009-2020 Daniele Alessandri
 * (c) 2021-2026 Till Krüss
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

require __DIR__ . '/shared.php';

// When you have a whole set of consecutive commands to send to a redis server,
// you can use a pipeline to dramatically improve performances. Pipelines can
// greatly reduce the effects of network round-trips.

$client = new Predis\Client($single_server);

$responses = $client->pipeline(static function ($pipe) {
    $pipe->flushdb();
    $pipe->incrby('counter', 10);
    $pipe->incrby('counter', 30);
    $pipe->exists('counter');
    $pipe->get('counter');
    $pipe->mget('does_not_exist', 'counter');
});

var_export($responses);

/* OUTPUT:
array (
    0 => Predis\Response\Status::__set_state(array(
        'payload' => 'OK',
    )),
    1 => 10,
    2 => 40,
    3 => true,
    4 => '40',
    5 => array (
        0 => NULL,
        1 => '40',
    ),
)
*/