tinyqc/app/Controllers/BaseController.php

<?php

namespace App\Controllers;

use CodeIgniter\Controller;
use CodeIgniter\API\ResponseTrait;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Psr\Log\LoggerInterface;

abstract class BaseController extends Controller
{
    use ResponseTrait;

    protected $session;

    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        parent::initController($request, $response, $logger);
        $this->session = \Config\Services::session();
        $this->helpers = ['form', 'url', 'json', 'stringcase'];
    }
}