redis_test.php

<?php
echo "Loading autoloader...";
require '/opt/app-root/src/vendor/autoload.php';
echo "Registering predis...";
Predis\Autoloader::register();
echo "Creating client...";
// Parameters passed using a named array:
$client = new Predis\Client([
    'host'   => '**DNS**',
    'port'   => **PORT**,
    'password' => '**PASSWORD**'
]);
echo "Setting value...";
$value = $client->set('test','testie');
echo "Getting value...";
$value = $client->get('test');
echo "done";