PHP Programming Tutorial 1 - php codeigniter4 configuration in xampp or wamp
PHP Programming Tutorial 2 - CodeIgniter 4 Application Structure
PHP Programming Tutorial 3 - What is MVC in Codeigniter 4
PHP Programming Tutorial 4 - Codeigniter 4 Environment Variables
PHP Programming Tutorial 5 - Controllers in CodeIgniter 4
PHP Programming Tutorial 6 - Views in CodeIgniter 4
PHP Programming Tutorial 7 - Models in CodeIgniter 4
PHP Programming Tutorial 8 - Remove index.php from URL in CodeIgniter 4
PHP Programming Tutorial 9 - Include header and footer in CodeIgniter 4
PHP Programming Tutorial 10 - Session in CodeIgniter 4
PHP Programming Tutorial 11 - URI Routing in CodeIgniter 4
PHP Programming Tutorial 12 - Highlight Menu using URI Segment in CodeIgniter 4
PHP Programming Tutorial 13 - Connect to Database in CodeIgniter 4
PHP Programming Tutorial 14 - Insert data in Database using CodeIgniter 4
PHP Programming Tutorial 15 - Retrieve data from Database using CodeIgniter 4
PHP Programming Tutorial 16 - Update data in Database using CodeIgniter 4
PHP Programming Tutorial 17 - Delete data in Database using CodeIgniter 4
PHP Programming Tutorial 18 - Generate PDF in CodeIgniter 4
PHP Programming Tutorial 19 - Send Email using PHPMailer in CodeIgniter 4
PHP Programming Tutorial 20 - Upload a File in CodeIgniter 4
🔰 PHP Programming Tutorial 5 - Controllers in CodeIgniter 4 🔰
A Controller receives the user input and validates it, and then passes the input to the Model. It performs interaction on the model objects. It is a simple class file. The name of the class is associated with URI. The first letter of a class name must be capital. Run in URL: Run following command in cmd/terminal from project’s root directory: Run in URL http://localhost:8080/index.php/Home/index In above example, Home.php is a default controller. You can alter the default namespace, controller and method from /app/Config/Routes.php.
What is Controller?
CodeIgniter 3 Example
<?php class Home extends CI_Controller { public function index() { echo "Welcome to CodeIgniter 3"; } } ?>CodeIgniter 4 Example
<?php namespace App\Controllers; class Home extends BaseController { public function index() { echo "Welcome to CodeIgniter 4"; } } ?>> php spark serve http://localhost:8080
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