CodeIgniter Server Requirements
Check PHP extensions and server requirements before installing CodeIgniter 4.
Category: CodeIgniter
CodeIgniter 4 PHP tutorials
Creating Your First CodeIgniter Project
Create a fresh CodeIgniter 4 app and understand the default welcome page.
CodeIgniter Directory Structure
Learn important CodeIgniter 4 folders: app, public, writable, and vendor.
Configuration in CodeIgniter
Configure app settings using Config classes and environment values in CodeIgniter 4.
Environment Configuration in CodeIgniter
Set CI_ENVIRONMENT, baseURL, and database credentials safely with the .env file.
Routing in CodeIgniter
Map URLs to controller methods using Routes.php in CodeIgniter 4.
Controllers in CodeIgniter
Use controllers to handle HTTP requests and return views or responses.
Creating Your First Controller
Generate or manually create a controller and wire it to a route.
Passing Data from Controller to View
Send arrays of data from controllers into views with the view() helper.
Introduction to CodeIgniter
Start learning CodeIgniter with a clear overview of this lightweight PHP MVC framework.