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<?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.
*/
use Predis\Client;
require __DIR__ . '/shared.php';
// 1. Create client and setup RW timeout to 0.
$client = new Client(
[
'tcp://127.0.0.1:6372?read_write_timeout=0',
'tcp://127.0.0.1:6373?read_write_timeout=0',
'tcp://127.0.0.1:6374?read_write_timeout=0',
], [
'cluster' => 'redis',
]);
// 2. Run pub/sub loop. Sharded channels belongs to different shards.
$pubSub = $client->pubSubLoop();
$pubSub->ssubscribe('{channels}_notifications');
$pubSub->ssubscribe('control_channel');
// Start processing the pubsup messages. Open a terminal and use redis-cli
// to push messages to the channels. Examples:
// ./redis-cli SPUBLISH {channels}_notifications "this is a test"
// ./redis-cli SPUBLISH control_channel quit_loop
foreach ($pubSub as $message) {
switch ($message->kind) {
case 'ssubscribe':
echo "Subscribed to {$message->channel}", PHP_EOL;
break;
case 'message':
if ($message->channel == 'control_channel') {
if ($message->payload == 'quit_loop') {
echo 'Aborting pubsub loop...', PHP_EOL;
$pubSub->sunsubscribe();
} else {
echo "Received an unrecognized command: {$message->payload}.", PHP_EOL;
}
} else {
echo "Received the following message from {$message->channel}:",
PHP_EOL, " {$message->payload}", PHP_EOL, PHP_EOL;
}
break;
}
}
// Always unset the pubsub consumer instance when you are done! The
// class destructor will take care of cleanups and prevent protocol
// desynchronizations between the client and the server.
unset($pubsub);
// Say goodbye :-)
echo 'Goodbye from Redis!', PHP_EOL;
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