public function __construct()

I hope this work for you.

CodeIgniter v3.x

PHP Code:

class Home extends CI_Controller
{
    public function __construct()
    {
        parent::__construct();
        
        $this->load->model('youth_user_model');
        $this->load->helper('url');
        $this->load->helper('html');
    }
    
    public function index()
    {
        return $this->load->view('home');
    }
} 


CodeIgniter v4.4.4

PHP Code:

namespace App\Controllers;

use Config\Services;
use CodeIgniter\HTTP\CLIRequest;
use CodeIgniter\HTTP\IncomingRequest;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Psr\Log\LoggerInterface;

class Home extends BaseController 
{
    public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
    {
        parent::initController($request, $response, $logger);
        
        $this->youth_user_model = model('youth_user_model');
        helper(['url','html']);
    }
    
    public function index()
    {
        return view('home');
    }
}