executing_redis_commands.php

<?php

/*
 * This file is part of the Predis package.
 *
 * (c) 2009-2020 Daniele Alessandri
 * (c) 2021-2025 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';

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

// Plain old SET and GET example...
$client->set('library', 'predis');
$response = $client->get('library');

var_export($response);
echo PHP_EOL;
/* OUTPUT: 'predis' */

// Redis has the MSET and MGET commands to set or get multiple keys in one go,
// cases like this Predis accepts arguments for variadic commands both as a list
// of arguments or an array containing all of the keys and/or values.
$mkv = [
    'uid:0001' => '1st user',
    'uid:0002' => '2nd user',
    'uid:0003' => '3rd user',
];

$client->mset($mkv);
$response = $client->mget(array_keys($mkv));

var_export($response);
echo PHP_EOL;
/* OUTPUT:
array (
    0 => '1st user',
    1 => '2nd user',
    2 => '3rd user',
)
*/

// Predis can also send "raw" commands to Redis. The difference between sending
// commands to Redis the usual way and the "raw" way is that in the latter case
// their arguments are not filtered nor responses coming from Redis are parsed.

$response = $client->executeRaw([
    'MGET', 'uid:0001', 'uid:0002', 'uid:0003',
]);

var_export($response);
echo PHP_EOL;
/* OUTPUT:
array (
    0 => '1st user',
    1 => '2nd user',
    2 => '3rd user',
)
*/