Tag: PHP

Learn important CodeIgniter 4 folders: app, public, writable, and vendor.

Configure app settings using Config classes and environment values in CodeIgniter 4.

Set CI_ENVIRONMENT, baseURL, and database credentials safely with the .env file.

Map URLs to controller methods using Routes.php in CodeIgniter 4.

Use controllers to handle HTTP requests and return views or responses.

Generate or manually create a controller and wire it to a route.

Send arrays of data from controllers into views with the view() helper.

Explore key CodeIgniter features: MVC, Query Builder, validation, security, and libraries.

Compare CodeIgniter 4 and CodeIgniter 3 so you know which version to learn and why.

Install CodeIgniter 4 with Composer and verify the starter app runs locally.