StatsController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Database\DatabaseManager;

class StatsController extends Controller
{

    /**
     * @return array
     */
    public function getLatest()
    {
        // Resolve dependencies out of container
        /** @var DatabaseManager $db */
        $db = app('db');

        $accountsDatabase = $db->connection('accounts');
        $contentDatabase = $db->connection('content');

        // Look up 3 newest users and 3 newest blog posts
        $threeNewestUsers = $accountsDatabase->select("SELECT * FROM users ORDER BY created_at DESC LIMIT 3");
        $threeLatestPosts = $contentDatabase->select("SELECT * FROM blog_posts ORDER BY created_at DESC LIMIT 3");

        return [
            "new_users" => $threeNewestUsers,
            "new_posts" => $threeLatestPosts,
        ];
    }

}