zf2 db settings

<?php

// Configure the DB instance and make it avilable to all modules - Miki
return array(
    'db' => array(
        'driver'    => 'Pdo',
        'dsn'       => "pgsql:host=127.0.0.1;dbname=db",
        'username'  => 'user',
        'password'  => 'pass',
    ),
//    'db' => array(
//        'driver'    => 'Pgsql',
//        'database'  => 'db',
//        'username'  => 'user',
//        'password'  => 'pass',
//        'hostname'  => '127.0.0.1',
//    ),
);