predisHow do I use a Redis message queue with PHP?

Using Redis message queue with PHP is quite easy.

1. First, install the Predis library:

composer require predis/predis

2. Then, create an instance of the client:

$redis = new Predis\Client();

3. To add an item to the queue:

$redis->rpush('messages', 'Hello, world!');

4. To retrieve an item from the queue:

$message = $redis->lpop('messages');
// Output: Hello, world!

5. To check the length of the queue:

$queue_length = $redis->llen('messages');

6. To delete the queue:

$redis->del('messages');

7. To close the connection:

$redis->quit();

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