Merge pull request #5787 from kenjis/fix-docs-extending

docs: small fixes in extending

user_guide_src/source/extending/basecontroller.rst

@@ -8,6 +8,10 @@ advantage of preloaded components and any additional functionality you provide:
 
 .. literalinclude:: basecontroller/001.php
 
+.. contents::
+ :local:
+ :depth: 2
+
 Preloading Components
 =====================
 

user_guide_src/source/extending/core_classes.rst

@@ -12,38 +12,43 @@ who would like to significantly alter the CodeIgniter core.**
 .. note:: Messing with a core system class has a lot of implications, so make sure you know what you are doing before
  attempting it.
 
+.. contents::
+ :local:
+ :depth: 2
+
 System Class List
 =================
 
-The following is a list of the core system files that are invoked every time CodeIgniter runs:
-
-* Config\\Services
-* CodeIgniter\\Autoloader\\Autoloader
-* CodeIgniter\\Config\\DotEnv
-* CodeIgniter\\Controller
-* CodeIgniter\\Debug\\Exceptions
-* CodeIgniter\\Debug\\Timer
-* CodeIgniter\\Events\\Events
-* CodeIgniter\\HTTP\\CLIRequest (if launched from command line only)
-* CodeIgniter\\HTTP\\IncomingRequest (if launched over HTTP)
-* CodeIgniter\\HTTP\\Request
-* CodeIgniter\\HTTP\\Response
-* CodeIgniter\\HTTP\\Message
-* CodeIgniter\\HTTP\\URI
-* CodeIgniter\\Log\\Logger
-* CodeIgniter\\Log\\Handlers\\BaseHandler
-* CodeIgniter\\Log\\Handlers\\FileHandler
-* CodeIgniter\\Router\\RouteCollection
-* CodeIgniter\\Router\\Router
-* CodeIgniter\\Security\\Security
-* CodeIgniter\\View\\View
-* CodeIgniter\\View\\Escaper
+The following is a list of the core system classes that are invoked every time CodeIgniter runs:
+
+* ``CodeIgniter\Autoloader\Autoloader``
+* ``CodeIgniter\CodeIgniter``
+* ``CodeIgniter\Config\DotEnv``
+* ``CodeIgniter\Config\Services``
+* ``CodeIgniter\Controller``
+* ``CodeIgniter\Debug\Exceptions``
+* ``CodeIgniter\Debug\Timer``
+* ``CodeIgniter\Events\Events``
+* ``CodeIgniter\Filters\Filters``
+* ``CodeIgniter\HTTP\ContentSecurityPolicy``
+* ``CodeIgniter\HTTP\CLIRequest`` (if launched from command line only)
+* ``CodeIgniter\HTTP\IncomingRequest`` (if launched over HTTP)
+* ``CodeIgniter\HTTP\Request``
+* ``CodeIgniter\HTTP\Response``
+* ``CodeIgniter\HTTP\Message``
+* ``CodeIgniter\HTTP\URI``
+* ``CodeIgniter\Log\Logger``
+* ``CodeIgniter\Log\Handlers\BaseHandler``
+* ``CodeIgniter\Log\Handlers\FileHandler``
+* ``CodeIgniter\Router\RouteCollection``
+* ``CodeIgniter\Router\Router``
+* ``CodeIgniter\View\View``
 
 Replacing Core Classes
 ======================
 
 To use one of your own system classes instead of a default one, ensure that the :doc:`Autoloader <../concepts/autoloader>`
-can find your class, that your new class extends the appropriate interface, and modify the appropriate
+can find your class, that your new class implements the appropriate interface, and modify the appropriate
 :doc:`Service <../concepts/services>` to load your class in place of the core class.
 
 For example, if you have a new ``App\Libraries\RouteCollection`` class that you would like to use in place of
@@ -64,7 +69,7 @@ identical to replacing a class with one exception:
 
 * The class declaration must extend the parent class.
 
-For example, to extend the native RouteCollection class, you would declare your class with:
+For example, to extend the native ``RouteCollection`` class, you would declare your class with:
 
 .. literalinclude:: core_classes/003.php
 

user_guide_src/source/extending/events.rst

@@ -11,6 +11,10 @@ Events work on a *publish/subscribe* pattern, where an event, is triggered at so
 Other scripts can "subscribe" to that event by registering with the Events class to let it know they want to perform an
 action when that event is triggered.
 
+.. contents::
+ :local:
+ :depth: 2
+
 Enabling Events
 ===============