Learn CodeIgniter 4 Framework Tutorials #3 Create Controller & Configure Routes смотреть онлайн

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Learn CodeIgniter 4 Framework Tutorials #3 Create Controller & Configure Routes

About CodeIgniter 4 Controllers & Routes

Controllers act as glue code, marshaling data back and forth between the view (or the user that’s seeing it) and the data storage.

Controllers are typically stored in /app/Controllers

We can use the name of the Controller like
Site.php
SiteController.php

Basic code of a Controllers:
-----------------------------------------------
namespace App\Controllers;

class SiteController extends BaseController
{
public function test()
{
return view("site/test"); //views/site/test
}

public function aboutUs()
{
echo view("site/about-us");
}
}

While Defining Controllers we need extend Parent Controller as Base Controller

Routes in CodeIgniter 4
----------------------------------------------------------
Routes in CodeIgniter have gone through a pretty big upgrade from version 3 to 4.

Route Basics
As a refresher, in version 3 routes were specified in a simple array, where each key was the "URI from" and the value of the element was where it should be routed to. It was simple, elegant, worked great, and looked something like this:

$route['join'] = 'home/register';
$route['login'] = 'home/login';
$route['products/(:any)/details'] = 'products/show/$1';

Now in CodeIgniter 4 Routes can be created at app/Config/Routes.php

Some Examples of defining routes in that file

$routes-get('/', 'Home::index');
$routes-get("/test", "SiteController::test");
$routes-get("/about-us", "SiteController::aboutUs");
$routes-get("/contact-us", "First::contactUs");

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