From Fat Controller 2 Hexagonal Architecture

Hexagonal Architecture AKA Ports & Adapters

Alistair.Cockburn.us | Hexagonal architecture

Setup Environment

Debian / Ubuntu

sudo apt-get install php5-sqlite sqlite3 redis-server

Redhat / CentOS

sudo yum install php-pdo sqlite redis

Then run composer install

Predis

$client = new \Predis\Client(['scheme' => 'tcp', 'host' => '127.0.0.1', 'port' => 6379]);