All Laravel, PHP & CodeIgniter Tutorials

Browse all our Laravel 12, CodeIgniter 4, and PHP tutorials. Each guide includes working source code, best practices, and step-by-step instructions.

All Codeigniter Laravel PHP

Showing 13–18 of 87 posts · Page 3 of 15

CodeIgniter

CodeIgniter 4 Authentication Tutorial: Build Login & Registration System from Scratch

Authentication is one of the most essential features of any modern web application. While older tutorials relied on custom implementations or the now-deprecated Myth/Auth library, the official and recommended approach in 2026 is CodeIgniter Shield — a powerful, secure, and flexible authentication & authorization library built specifically for CodeIgniter 4. In this comprehensive, step-by-step guide, you will learn how to build a complete login and registration system from scratch using Shield. We cover everything from installation and configuration to creating controllers, views, routes, and testing — with full source code included. This tutorial is perfect for beginners and intermediate PHP developers who want a secure, scalable, and clean authentication system following CodeIgniter 4 best practices.

By Revathi M · February 25, 2026 Read

Laravel

Common Laravel 12 Errors and How to Fix Them Quickly

Laravel 12, released in early 2025, brings streamlined bootstrapping, enhanced error handling, and improved performance features. However, even with these advancements, developers often encounter common pitfalls that can halt progress. In this guide, we cover the 11 most frequent Laravel 12 errors — from permission denials and class-not-found issues to CORS failures and cache headaches. Each error includes the root cause, a step-by-step fix, and complete code examples so you can debug faster and ship with confidence.

By Revathi M · February 23, 2026 Read

CodeIgniter

How to Build a Simple Blog in CodeIgniter 4 with MySQL and Bootstrap Tutorial

Learn how to build a fully functional blog application using CodeIgniter 4, MySQL, and Bootstrap 5 in this beginner-friendly tutorial. We walk through the complete process — from project installation and database migration to creating models, controllers, views, and routes. By the end, you will have a working blog with Create and Read functionality styled with Bootstrap, which you can extend with Update, Delete, authentication, and pagination for production use.

By Revathi M · February 20, 2026 Read

Laravel

Laravel 12 Routing and Middleware: Complete Guide with Code Snippets

Master Laravel 12 routing and middleware with this complete guide. Learn how to define routes, use route parameters, apply middleware filters, create custom middleware, set up rate limiting, and integrate middleware with route groups — all with production-ready code examples and best practices for building secure, scalable PHP applications.

By Revathi M · February 18, 2026 Read

CodeIgniter

Boost CodeIgniter 4 Performance and Page Speed: Why It's Ideal for Small Projects

Is your CodeIgniter 4 application running slower than expected? Performance optimization is critical for user experience, SEO rankings, and server costs — especially for small projects where every millisecond counts. This in-depth guide covers practical, battle-tested techniques to dramatically speed up your CI4 application: from full-page caching and query optimization to server-level compression and session tuning. We also compare CI4 head-to-head with Laravel and Symfony to help you decide which framework truly fits your next small project.

By Revathi M · February 16, 2026 Read

Laravel

How to Build a REST API in Laravel 12: Step-by-Step Guide with Examples

Laravel 12 provides a robust foundation for building RESTful APIs with features like Eloquent ORM, API resource routing, and built-in Sanctum authentication. This hands-on guide walks you through every step of creating a complete CRUD REST API for a task management system — from project setup and database migrations to controller logic, token-based authentication, and endpoint testing with Postman. Whether you are new to API development or looking to upgrade your skills to Laravel 12, this tutorial delivers production-ready code examples you can follow along with.

By Revathi M · February 13, 2026 Read