<?php require 'vendor/autoload.php'; Predis\Autoloader::register(); $client = new Predis\Client(array('host' => '127.0.0.1', 'port' => 6379), array('prefix' => 'php:')); $client->transaction()->set('transaction:key', 'A string in a transactional block')->incr('transaction:counter')->get('transaction:key')->execute(); # array("Predis\Response\Status => OK", 2, "A string in a transactional block")