Course Content
Introduction to CodeIgniter 4
CodeIgniter is an Application Development Framework. CodeIgniter is a popular and powerful MVC (Model-View-Controller) framework that is used to develop web applications. It is a free and Open-source PHP framework.
MVC (Model-View-Controller)
MVC stands for Model-View-Controller. MVC is an application design model consisting of three interconnected parts. They include the model (data), the view (user interface), and the controller (processes that handle input).
The Session class allows you to maintain a user’s "state" and track their activity while they browse your site.
URI Routing
There is a one-to-one relationship between a URL string and its corresponding controller class/method.
Working with Database
Like any other framework, we need to interact with the database very often and CodeIgniter makes this job easy for us. It provides a rich set of functionalities to interact with the database.
PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Importing Excel and CSV into MySQL help to save the user time and avoid repetitive work.
CodeIgniter 4
About Lesson

How to remove index.php from the URL?

1. Update in the App.php file

We need to change baseURLindexPage, and uriProtocol variables in the /app/Config/App.php file. You can refer to the below changes.

Then After
public $baseURL = 'http://localhost:8080'; public $baseURL = 'http://localhost/your_project/';
public $indexPage = 'index.php'; public $indexPage = '';
public $uriProtocol = 'REQUEST_URI'; public $uriProtocol = 'PATH_INFO';

2. Copy index.php and .htaccess files

Copy the index.php and .htaccess files file from the public directory and paste on root your project directory.

3. Update In the index.php

Open the index.php file and change the pathsPath variable.

Then After
$pathsPath = FCPATH . '../app/Config/Paths.php'; $pathsPath = FCPATH . 'app/Config/Paths.php';