Industry update
CodeIgniter 4.7.5 security release: what to patch and how
CodeIgniter 4.7.5 fixes six advisories, including a critical upload bypass and Parser code execution. See who is exposed and how to upgrade safely.
By Cloudsoft Zone
Guides topic
CodeIgniter
CodeIgniter tutorials: MVC, routing, models and modules, for existing CodeIgniter applications.
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- 11
Troubleshooting guide
CodeIgniter 4 validation not working? 9 causes and fixes
Fix CodeIgniter 4 validation problems fast: wrong input source, lost errors after redirect, permit_empty, strict JSON rules, is_unique placeholders and more.
By Cloudsoft Zone
Interview preparation
CodeIgniter 4 model and Query Builder interview questions
Twelve CodeIgniter 4 interview questions on models and the Query Builder, with clear answers and code: mass assignment, soft deletes, casting, SQL safety.
By Cloudsoft Zone
Tutorial
Protect a CodeIgniter 4 API with Shield access tokens
Install CodeIgniter Shield, issue hashed access tokens at login, protect API routes with the tokens filter, restrict actions with scopes and permissions, and revoke tokens on logout, with code checked against current docs.
By Cloudsoft Zone
Resource guide
CodeIgniter 4 production deployment and security checklist
A practical pre-launch checklist for CodeIgniter 4.7 apps: production environment, document root, Composer and optimisation, HTTPS and secure headers, CSRF and sessions, file uploads, proxies and logging, with commands to verify each item.
By Cloudsoft Zone
Comparison
Moving from CodeIgniter 3 to CodeIgniter 4: what changes and how to plan it
CodeIgniter 3 is in maintenance mode and CodeIgniter 4 is a rewrite, not a drop-in upgrade. Compare the two versions, see how controllers, models, queries, views and routes translate, and plan a low-risk conversion.
By Cloudsoft Zone
Tutorial
How to build a JSON REST API with CodeIgniter 4.7
A step-by-step CodeIgniter 4.7 tutorial: create a books API with a migration, a validating model, the new API transformers, resource routes and paginated JSON responses, then test every endpoint with curl.
By Cloudsoft Zone
Industry update
What's new in CodeIgniter 4.7 and how to upgrade from 4.6
CodeIgniter 4.7 requires PHP 8.2 and adds experimental FrankenPHP worker mode, controller attributes, API transformers and API pagination. Here is what changed, what can break, the 4.7.4 security fixes and an upgrade checklist.
By Cloudsoft Zone
Architecture guide
CodeIgniter 4 filters explained: order, arguments and attributes
Where to apply CodeIgniter 4 filters, the order they run in since 4.5, filter arguments and the new 4.7 controller attributes, with a working API key filter.
By Cloudsoft Zone
Tutorial
Test CodeIgniter 4 apps with PHPUnit feature and database tests
Write CodeIgniter 4 feature tests that hit real routes and a migrated, seeded test database, with working PHPUnit examples, assertions and common gotchas.
By Cloudsoft Zone
Interview preparation
CodeIgniter interview questions and answers for CodeIgniter 4
Thirty-six CodeIgniter interview questions answered for CodeIgniter 4.7: routing, filters, events, services, helpers, CSRF, XSS, sessions, Spark and what changed from version 3.
By Cloudsoft Zone
Showing 11 articles