Category: CodeIgniter

Restrict uploads to images and validate mime type, extension, and size.

Build a complete Create-Read-Update-Delete flow with routes, controller, model, and views.

Handle AJAX requests in CodeIgniter and return JSON for dynamic UI updates.

Build JSON REST endpoints with resource-style routes and clean response formats.

Protect API routes with tokens or API keys before controllers run.

Build SQL queries safely with CodeIgniter’s Query Builder instead of raw strings.

Perform core SQL operations with Query Builder: select, insert, update, and delete.

Version your database schema with migrations using php spark migrate.

Fill tables with demo data using seeders for development and testing.

Use Models to encapsulate table access, allowed fields, and timestamps.