Correct class namespacing in the user guide

user_guide_src/source/cli/cli.rst

@@ -38,8 +38,9 @@ Let's create a simple controller so you can see it in action. Using your
 text editor, create a file called Tools.php, and put the following code
 in it::
 
-	<?php
-	class Tools extends \CodeIgniter\Controller {
+	<?php namespace CodeIgniter;
+
+	class Tools extends Controller {
 
 		public function message($to = 'World')
 		{

user_guide_src/source/extending/core_classes.rst

@@ -50,7 +50,9 @@ the core system class, you would create your class like this::
 
     namespace App\Libraries;
 
-    class RouteCollection implements \CodeIgniter\Router\RouteCollectionInterface
+    use CodeIgniter\Router\RouteCollectionInterface;
+
+    class RouteCollection implements RouteCollectionInterface
     {
 
     }
@@ -78,14 +80,22 @@ identical to replacing a class with a one exception:
 
 For example, to extend the native RouteCollection class, you would declare your class with::
 
-    class RouteCollection extends \CodeIgniter\Router\RouteCollection
+    namespace App\Libraries;
+
+    use CodeIgniter\Router\RouteCollection;
+
+    class RouteCollection extends RouteCollection
     {
 
     }
 
 If you need to use a constructor in your class make sure you extend the parent constructor::
 
-        class RouteCollection implements \CodeIgniter\Router\RouteCollection
+    namespace App\Libraries;
+
+    use CodeIgniter\Router\RouteCollection;
+
+       class RouteCollection implements RouteCollection
         {
             public function __construct()
             {
@@ -99,7 +109,11 @@ instead of the native ones (this is known as “method overriding”). This allo
 If you are extending the Controller core class, then be sure to extend your new class in your application controller’s
 constructors::
 
-	class Home extends App\BaseController {
+    namespace App\Controllers;
 
-	}
+    use App\BaseController;
+
+    class Home extends BaseController {
+
+    }
 

user_guide_src/source/general/configuration.rst

@@ -51,9 +51,11 @@ If you need to create a new configuration file you would create a new file at yo
 **/application/Config** by default. Then create the class and fill it with public properties that
 represent your settings::
 
-    <?php namespace Config;
+    namespace Config;
+
+    use CodeIgniter\Config\BaseConfig ;
 
-    class App extends \CodeIgniter\Config\BaseConfig
+    class App extends BaseConfig
     {
     	public $siteName  = 'My Great Site';
     	public $siteEmail = '[email protected]';
@@ -200,7 +202,8 @@ A sample configuration class setup for this::
 
     namespace App\Config;
 
-    class MySalesConfig extends \CodeIgniter\Config\BaseConfig
+    use CodeIgniter\Config\BaseConfig
+    class MySalesConfig extends BaseConfig
     {
         public $target        = 100;
         public $campaign      = "Winter Wonderland";

user_guide_src/source/incoming/controllers.rst

@@ -28,8 +28,10 @@ Let's try it: Hello World!
 Let's create a simple controller so you can see it in action. Using your text editor, create a file called Blog.php,
 and put the following code in it::
 
-	<?php
-	class Blog extends \CodeIgniter\Controller
+	<?php namespace App\Controllers;
+        user CodeIgniter\Controller;
+
+	class Blog extends Controller
 	{
 		public function index()
 		{
@@ -53,15 +55,19 @@ If you did it right, you should see::
 
 This is valid::
 
-	<?php
-	class Blog extends \CodeIgniter\Controller {
+	<?php namespace App\Controllers;
+        user CodeIgniter\Controller;
+
+	class Blog extends Controller {
 
 	}
 
 This is **not** valid::
 
-	<?php
-	class blog extends \CodeIgniter\Controller {
+	<?php namespace App\Controllers;
+        user CodeIgniter\Controller;
+
+	class blog extends Controller {
 
 	}
 
@@ -83,7 +89,10 @@ controller gets called.**
 Let's try it. Add a new method to your controller::
 
 	<?php
-	class Blog extends \CodeIgniter\Controller {
+	<?php namespace App\Controllers;
+        user CodeIgniter\Controller;
+
+	class Blog extends Controller {
 
 		public function index()
 		{
@@ -286,7 +295,10 @@ You can define an array of helper files as a class property. Whenever the contro
 these helper files will be automatically loaded into memory so that you can use their methods anywhere
 inside the controller::
 
-	class MyController extends \CodeIgniter\Controller
+	<?php namespace App\Controllers;
+        user CodeIgniter\Controller;
+
+	class MyController extends Controller {
 	{
 		protected $helpers = ['url', 'form'];
 	}

user_guide_src/source/incoming/incomingrequest.rst

@@ -16,7 +16,10 @@ Accessing the Request
 An instance of the request class already populated for you if the current class is a descendant of
 ``CodeIgniter\Controller`` and can be accessed as a class property::
 
-	class UserController extends CodeIgniter\Controller
+        namespace App\Controllers;
+        user CodeIgniter\Controller;
+
+	class UserController extends Controller
 	{
 		public function index()
 		{

user_guide_src/source/models/model.rst

@@ -14,6 +14,7 @@ instance of the database connection and you're good to go.
 
 ::
 
+        namespace App\Models;
 	use \CodeIgniter\Database\ConnectionInterface;
 
 	class UserModel
@@ -46,7 +47,10 @@ Creating Your Model
 To take advantage of CodeIgniter's model, you would simply create a new model class
 that extends ``CodeIgniter\Model``::
 
-	class UserModel extends \CodeIgniter\Model
+        namespace App\Models;
+        user CodeIgniter\Model;
+
+	class UserModel extends Model
 	{
 
 	}
@@ -64,6 +68,9 @@ This ensures that within the model any references to ``$this->db`` are made thro
 connection.
 ::
 
+        namespace App\Models;
+        user CodeIgniter\Model;
+
 	class UserModel extends \CodeIgniter\Model
 	{
 		protected $DBGroup = 'group_name';
@@ -79,6 +86,9 @@ The model class has a few configuration options that can be set to allow the cla
 to work seamlessly for you. The first two are used by all of the CRUD methods to determine
 what table to use and how we can find the required records::
 
+        namespace App\Models;
+        user CodeIgniter\Model;
+
 	class UserModel extends \CodeIgniter\Model
 	{
 		protected $table      = 'users';

user_guide_src/source/testing/controllers.rst

@@ -16,6 +16,8 @@ The Helper Trait
 You can use either of the base test classes, but you do need to use the ``ControllerTester`` trait
 within your tests::
 
+    namespace CodeIgniter;
+
     use Tests\Support\Helpers\ControllerTester;
 
     class TestControllerA extends \CIDatabaseTestCase
@@ -28,9 +30,11 @@ the request body, URI, and more. You specify the controller to use with the ``co
 fully qualified class name of your controller. Finally, call the ``execute()`` method with the name of the method
 to run as the parameter::
 
+    namespace CodeIgniter;
+
     use Tests\Support\Helpers\ControllerTester;
 
-    class TestControllerA extends CIDatabaseTestCase
+    class TestControllerA extends \CIDatabaseTestCase
     {
         use ControllerTester;
 

user_guide_src/source/tutorial/create_news_items.rst

@@ -115,8 +115,10 @@ fields in the ``$allowedFields`` property.
 
 ::
 
-    <?php
-    class NewsModel extends \CodeIgniter\Model
+    <?php namespace App\Models;
+    use CodeIgniter\Model;
+
+    class NewsModel extends Model
     {
         protected $table = 'news';
 

user_guide_src/source/tutorial/news_section.rst

@@ -24,8 +24,9 @@ your database properly as described :doc:`here <../database/configuration>`.
 	<?php
 
 	namespace App\Models;
+        use CodeIgniter\Model;
 
-	class NewsModel extends \CodeIgniter\Model
+	class NewsModel extends Model
 	{
 		protected $table = 'news';
 	}

user_guide_src/source/tutorial/static_pages.rst

@@ -30,7 +30,9 @@ code.
 ::
 
 	<?php namespace App\Controllers;
-	class Pages extends CodeIgniter\Controller {
+        use CodeIgniter\Controller;
+
+	class Pages extends Controller {
 
 		public function view($page = 'home')
 		{