upgrade Codeigniter4.6.1

app/Controllers/BaseController.php

@@ -33,12 +33,18 @@ abstract class BaseController extends Controller
      * class instantiation. These helpers will be available
      * to all other controllers that extend BaseController.
      *
-     * @var array
+     * @var list<string>
      */
     protected $helpers = [];
 
     /**
-     * Constructor.
+     * Be sure to declare properties for any property fetch you initialized.
+     * The creation of dynamic property is deprecated in PHP 8.2.
+     */
+    // protected $session;
+
+    /**
+     * @return void
      */
     public function initController(RequestInterface $request, ResponseInterface $response, LoggerInterface $logger)
     {
@@ -47,6 +53,6 @@ abstract class BaseController extends Controller
 
         // Preload any models, libraries, etc, here.
 
-        // E.g.: $this->session = \Config\Services::session();
+        // E.g.: $this->session = service('session');
     }
 }