<?php
require "predis/autoload.php";
PredisAutoloader::register();
try {
    $redis = new PredisClient();
}
catch (Exception $e) {
    die($e->getMessage());
}
// sets message to contian "Hello world"
$redis->set('message', 'Hello world');
?>

<?php
<!-- THE FOLLOWING PART WHICH CREATES A $redis
OBJECT SEEMS TO BE AN OVERDO. SHOULDN'T WE BE
USING THE SAME $redis OBJECT FROM THE ABOVE SNIPPET?-->


require "predis/autoload.php";
PredisAutoloader::register();
try {
    $redis = new PredisClient();
}
catch (Exception $e) {
    die($e->getMessage());
}

// gets the value of message
$value = $redis->get('message');
?>