Part on routers finished

index.php

@@ -1,4 +1,26 @@
 <?php
-    require 'functions.php';
-    $heading = "Home";
-    require "views/index.view.php";
+require 'functions.php';
+$uri = parse_url($_SERVER['REQUEST_URI'])['path'];
+
+$routes = [
+    '/' => 'controllers/index.php',
+    '/about' => 'controllers/about.php',
+    '/contact' => 'controllers/contact.php',
+    '/mission' => 'controllers/mission.php',
+];
+
+function routeToController($uri, $routes) {
+    if (array_key_exists($uri, $routes)) {
+        require $routes[$uri];
+    } else {
+        abort();
+    }
+}
+
+routeToController($uri, $routes);
+
+function abort($code = 404) {
+    http_response_code($code);
+    require "views/{$code}.php";
+    die();
+}