docs: refactor Tutorial code

user_guide_src/source/tutorial/create_news_items/004.php

@@ -2,10 +2,13 @@
 
 // ...
 
-$routes->match(['get', 'post'], 'news/create', 'News::create');
-$routes->get('news/(:segment)', 'News::view/$1');
-$routes->get('news', 'News::index');
-$routes->get('pages', 'Pages::index');
-$routes->get('(:any)', 'Pages::view/$1');
+use App\Controllers\News;
+use App\Controllers\Pages;
+
+$routes->match(['get', 'post'], 'news/create', [News::class, 'create']);
+$routes->get('news/(:segment)', [News::class, 'view']);
+$routes->get('news', [News::class, 'index']);
+$routes->get('pages', [Pages::class, 'index']);
+$routes->get('(:any)', [Pages::class, 'view']);
 
 // ...

user_guide_src/source/tutorial/news_section.rst

@@ -143,7 +143,7 @@ the views. Modify the ``index()`` method to look like this:
 The code above gets all news records from the model and assigns it to a
 variable. The value for the title is also assigned to the ``$data['title']``
 element and all data is passed to the views. You now need to create a
-view to render the news items. Create **app/Views/news/overview.php**
+view to render the news items. Create **app/Views/news/index.php**
 and add the next piece of code.
 
 .. literalinclude:: news_section/005.php
@@ -166,6 +166,9 @@ add some code to the controller and create a new view. Go back to the
 
 .. literalinclude:: news_section/006.php
 
+Don't forget to add ``use CodeIgniter\Exceptions\PageNotFoundException;`` to import
+the ``PageNotFoundException`` class.
+
 Instead of calling the ``getNews()`` method without a parameter, the
 ``$slug`` variable is passed, so it will return the specific news item.
 The only thing left to do is create the corresponding view at

user_guide_src/source/tutorial/news_section/004.php

@@ -16,7 +16,7 @@ public function index()
         ];
 
         return view('templates/header', $data)
-            . view('news/overview')
+            . view('news/index')
             . view('templates/footer');
     }
 

user_guide_src/source/tutorial/news_section/006.php

@@ -3,6 +3,7 @@
 namespace App\Controllers;
 
 use App\Models\NewsModel;
+use CodeIgniter\Exceptions\PageNotFoundException;
 
 class News extends BaseController
 {
@@ -15,7 +16,7 @@ public function view($slug = null)
         $data['news'] = $model->getNews($slug);
 
         if (empty($data['news'])) {
-            throw new \CodeIgniter\Exceptions\PageNotFoundException('Cannot find the news item: ' . $slug);
+            throw new PageNotFoundException('Cannot find the news item: ' . $slug);
         }
 
         $data['title'] = $data['news']['title'];

user_guide_src/source/tutorial/news_section/008.php

@@ -2,9 +2,12 @@
 
 // ...
 
-$routes->get('news/(:segment)', 'News::view/$1');
-$routes->get('news', 'News::index');
-$routes->get('pages', 'Pages::index');
-$routes->get('(:any)', 'Pages::view/$1');
+use App\Controllers\News;
+use App\Controllers\Pages;
+
+$routes->get('news/(:segment)', [News::class, 'view']);
+$routes->get('news', [News::class, 'index']);
+$routes->get('pages', [Pages::class, 'index']);
+$routes->get('(:any)', [Pages::class, 'view']);
 
 // ...

user_guide_src/source/tutorial/static_pages.rst

@@ -89,6 +89,9 @@ in the ``Pages`` controller created above:
 
 .. literalinclude:: static_pages/002.php
 
+And add ``use CodeIgniter\Exceptions\PageNotFoundException;`` after the ``namespace`` line
+to import the ``PageNotFoundException`` class.
+
 Now, when the requested page does exist, it is loaded, including the header and
 footer, and returned to the user. If a controller returns a string, it is
 displayed to the user.
@@ -144,7 +147,7 @@ Add the following lines, **after** the route directive for '/'.
 
 CodeIgniter reads its routing rules from top to bottom and routes the
 request to the first matching rule. Each rule is a regular expression
-(left-side) mapped to a controller and method name separated by slashes
+(left-side) mapped to a controller and method name
 (right-side). When a request comes in, CodeIgniter looks for the first
 match, and calls the appropriate controller and method, possibly with
 arguments.

user_guide_src/source/tutorial/static_pages/002.php

@@ -2,6 +2,8 @@
 
 namespace App\Controllers;
 
+use CodeIgniter\Exceptions\PageNotFoundException; // Add this line
+
 class Pages extends BaseController
 {
     // ...
@@ -10,7 +12,7 @@ public function view($page = 'home')
     {
         if (! is_file(APPPATH . 'Views/pages/' . $page . '.php')) {
             // Whoops, we don't have a page for that!
-            throw new \CodeIgniter\Exceptions\PageNotFoundException($page);
+            throw new PageNotFoundException($page);
         }
 
         $data['title'] = ucfirst($page); // Capitalize the first letter

user_guide_src/source/tutorial/static_pages/004.php

@@ -1,4 +1,6 @@
 <?php
 
-$routes->get('pages', 'Pages::index');
-$routes->get('(:any)', 'Pages::view/$1');
+use App\Controllers\Pages;
+
+$routes->get('pages', [Pages::class, 'index']);
+$routes->get('(:any)', [Pages::class, 'view']);