Laravel, PHP & CodeIgniter Sample Codes and Tutorials

Discover free, ready-to-use code examples and step-by-step guides for web developers. From authentication systems to REST APIs — build faster with tested sample code.

Latest Tutorials & Sample Codes

Browse our latest Laravel 12, CodeIgniter 4, and PHP tutorials with complete source code. Each guide includes working examples, best practices, and step-by-step instructions to help you build real-world web applications faster.

Laravel

Laravel 12 Queue and Jobs Tutorial: Background Processing Made Easy

Laravel 12 Queue and Jobs Tutorial: Background Processing Made Easy

In modern web applications, performance is everything. When users upload files, register accounts, or trigger heavy operations like sending emails or resizing images, you don't want your page to hang for seconds — or worse, timeout. This is where Laravel queues and jobs come to the rescue. In this hands-on guide, we'll walk through setting up queues in Laravel 12, creating jobs, dispatching them, handling failures, and running workers in both development and production.

By Revathi M February 27, 2026

Read More

CodeIgniter

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

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 More

Laravel

Common Laravel 12 Errors and How to Fix Them Quickly

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 More

CodeIgniter

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

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 More

Laravel

Laravel 12 Routing and Middleware: Complete Guide with Code Snippets

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 More

View All