Global database object with configuration in F3

index.php

<?php
// Load configuration
$f3->config('config.ini');

// Prepare the database
$dbConfig = $f3->get('database');
if (!isset($dbConfig['port']))
        $dbConfig['port'] = 3306;
 
$f3->set('DB', new DB\SQL(
        'mysql:host='.$dbConfig['host'].';port='.$dbConfig['port'].';dbname='.$dbConfig['database'],
        $dbConfig['user'],
        $dbConfig['password']
));
 
/*
Corresponding config.ini
 
[database]
 
host=localhost
database=cubelounge
user=cubelounge
password=
 
*/