Local Config file for WordPress Multisite.

local-config.php

<?php
// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define('DB_NAME', 'db_name');

/** MySQL database username */
define('DB_USER', 'db_user');

/** MySQL database password */
define('DB_PASSWORD', 'db_password');

/** MySQL hostname */
define('DB_HOST', 'localhost');

/** Database Charset to use in creating database tables. */
define('DB_CHARSET', 'utf8');

/** The Database Collate type. Don't change this if in doubt. */
define('DB_COLLATE', '');

/* allow multisite */
define( 'WP_ALLOW_MULTISITE', true );

/* define multisite settings for this install - different for local, staging and production */
define('MULTISITE', true);
define('SUBDOMAIN_INSTALL', true);
define('DOMAIN_CURRENT_SITE', 'test.dev');
define('PATH_CURRENT_SITE', '/');
define('SITE_ID_CURRENT_SITE', 1);
define('BLOG_ID_CURRENT_SITE', 1);