How to use Redis in PHP?

To use Redis in PHP, you can use the Redis extension, which is a client library for connecting to a Redis server.

First, you will need to install the Redis extension for PHP. This can typically be done by installing the “php-redis” package through your system’s package manager.

Once the extension is installed, you can use the built-in “Redis” class to connect to a Redis server and perform various operations, such as setting and getting values, working with lists and sets, and so on.

Here is an example of how you can use the Redis class to connect to a Redis server, set a value, and retrieve it in PHP:

<?php
$redis = new Redis();
$redis->connect('127.0.0.1', 6379);
$redis->set('key', 'value');
echo $redis->get('key');

You can also use predis library, which is a more feature-rich Redis client library for PHP, which includes support for advanced features such as pipelining, transactions, and more.

<?php
require 'predis/autoload.php';
Predis\Autoloader::register();

$client = new Predis\Client();
$client->set('foo', 'bar');
$value = $client->get('foo');

Additionally, you can use a PHP framework like Laravel, which has built-in support for Redis and provides an easy-to-use interface for working with Redis data.