add namespace for all php classess

app/controllers/Auth.php

@@ -1,6 +1,11 @@
 <?php
 
-require_once __DIR__ . "/../core/Controller.php";
+namespace App\Controllers;
+
+require_once __DIR__ . '/../core/Controller.php';
+
+use App\Core\Controller;
+
 
 class Auth extends Controller {
 

app/controllers/HomeController.php → app/controllers/Home.php

@@ -1,8 +1,12 @@
 <?php
 
-require_once __DIR__ . "/../core/Controller.php";
+namespace App\Controllers;
 
-class HomeController extends Controller {
+require_once __DIR__ . '/../core/Controller.php';
+
+use App\Core\Controller;
+
+class Home extends Controller {
 
     public function __construct() {
         $this->model = null;

app/controllers/Students.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Controllers;
+
+require_once __DIR__ . '/../core/Controller.php';
+require_once __DIR__ . '/../models/Student.php';
+
+use App\Core\Controller;
+
+
+class Students extends Controller {
+
+}

app/core/Controller.php

@@ -1,5 +1,7 @@
 <?php
 
+namespace App\Core;
+
 class Controller {
     public ?Model $model;
 

app/core/Database.php

@@ -1,5 +1,10 @@
 <?php
 
+namespace App\Core;
+
+use PDO;
+use PDOException;
+
 class Database {
     private string $DB_SERVER = "";
     private string $DB_NAME = "";

app/core/Model.php

@@ -1,5 +1,11 @@
 <?php
 
+namespace App\Core;
+
+use PDO;
+use PDOException;
+use PDOStatement;
+
 class Model {
     private Database $db;
 

app/core/Router.php

@@ -1,8 +1,10 @@
 <?php
 
-require_once __DIR__ ."/Database.php";
-require_once __DIR__ ."/Controller.php";
-require_once __DIR__ ."/Model.php";
+namespace App\Core;
+
+require_once __DIR__ . '/Database.php';
+require_once __DIR__ . '/Controller.php';
+require_once __DIR__ . '/Model.php';
 
 class Router {
 

app/models/Students.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Models;
+
+require_once __DIR__ . '/../core/Model.php';
+
+use App\Core\Model;
+
+
+class Students extends Model {
+
+}

public/index.php

@@ -1,11 +1,15 @@
 <?php
 
 require_once __DIR__ . '/../app/core/Router.php';
-require_once __DIR__ . '/../app/controllers/HomeController.php';
+require_once __DIR__ . '/../app/controllers/Home.php';
 require_once __DIR__ . '/../app/controllers/Auth.php';
 
-Router::add('GET', '/', HomeController::class, 'index');
-Router::add('GET', '/kontak', HomeController::class,'contact');
+use App\Core\Router;
+use App\Controllers\{Home, Auth};
+
+
+Router::add('GET', '/', Home::class, 'index');
+Router::add('GET', '/kontak', Home::class,'contact');
 Router::add('GET','/login', Auth::class,'login');
 
 Router::run();