motorbike/app/Controllers/BaseController.php

<?php
namespace App\Controllers;

use CodeIgniter\Controller;

class BaseController extends Controller
{
    protected $helpers = [];

    public function initController(\CodeIgniter\HTTP\RequestInterface $request,
                                   \CodeIgniter\HTTP\ResponseInterface $response,
                                   \Psr\Log\LoggerInterface $logger)
    {
        parent::initController($request, $response, $logger);

        helper('alerts');

        if (function_exists('checkDeadlineAlerts')) {
            checkDeadlineAlerts();
        }
    }
}