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 7–12 of 32 posts · Page 2 of 6
CodeIgniter 4 vs Laravel 12: Which PHP Framework is Better for Small Projects? CodeIgniter

CodeIgniter 4 vs Laravel 12: Which PHP Framework is Better for Small Projects?

Choosing the right PHP framework can make or break a small project's success. CodeIgniter 4 and Laravel 12 are two of the most popular options in 2026, each with distinct strengths. CodeIgniter 4 is known for its lightweight speed and simplicity, while Laravel 12 offers a feature-rich ecosystem for scalable applications. This in-depth comparison covers performance, ease of use, security, scalability, and real-world use cases to help you decide which framework best fits your next small project.

By Revathi M · Read
How to Secure Your CodeIgniter 4 Application from SQL Injection CodeIgniter

How to Secure Your CodeIgniter 4 Application from SQL Injection

SQL injection remains one of the most dangerous web application vulnerabilities in 2026. In this hands-on guide, you will learn how to secure your CodeIgniter 4 application against SQL injection attacks using the framework's built-in Query Builder, prepared statements with query bindings, server-side input validation, CSRF protection, and secure password hashing. We walk through a complete user management system — registration, login, search, and profile — with full working code and detailed explanations of every security measure applied.

By Revathi M · Read
CodeIgniter 4 REST API CRUD Example with Postman: Complete Tutorial CodeIgniter

CodeIgniter 4 REST API CRUD Example with Postman: Complete Tutorial

             In modern web development, RESTful APIs serve as the backbone of scalable applications, enabling seamless communication between servers and diverse clients such as mobile apps, single-page applications (SPAs), and third-party services. CodeIgniter 4, a lightweight yet powerful PHP framework, offers built-in tools like ResourceController and the ResponseTrait to create clean, efficient REST APIs with minimal boilerplate code. In this comprehensive, step-by-step tutorial, you will build a fully functional CRUD (Create, Read, Update, Delete) REST API from scratch using CodeIgniter 4. We will cover project installation, MySQL database setup, model creation with validation rules, building a RESTful controller with proper error handling, route configuration, and thorough testing of every endpoint using Postman.

By Revathi M · Read
Complete Guide to Building a Multi-Language Website in CodeIgniter 4 with i18n Support CodeIgniter

Complete Guide to Building a Multi-Language Website in CodeIgniter 4 with i18n Support

In today's globalized digital landscape, creating a multi-language website is essential for reaching diverse audiences. Whether you're building an e-commerce platform, a blog, or a corporate site, supporting multiple languages can significantly boost user engagement and SEO performance. CodeIgniter 4 (CI4), a lightweight and powerful PHP framework, offers robust built-in tools for internationalization (i18n) through its Localization library. This guide will walk you through the process of implementing i18n in CI4, from basic setup to advanced features like language switching and dynamic content translation. By the end, you'll have a fully functional multi-language website example, complete with code snippets and explanations.

By Revathi M · Read
How to Run CodeIgniter 4 with Docker and Docker Compose: Complete Tutorial with Code CodeIgniter

How to Run CodeIgniter 4 with Docker and Docker Compose: Complete Tutorial with Code

In today's development landscape, containerization has become essential for building scalable and portable applications. CodeIgniter 4, a lightweight yet powerful PHP framework, pairs exceptionally well with Docker to create isolated, reproducible environments. This comprehensive guide walks you through setting up CodeIgniter 4 using Docker and Docker Compose — covering PHP 8.1, Apache, MySQL 8.0, environment variables, volumes, and networking. Whether you are deploying your first CI4 project or standardizing your team's workflow, this tutorial gives you a production-ready Docker setup with complete code examples and detailed explanations for every step.

By Revathi M · Read
How to Use Redis Cache in CodeIgniter 4: A Complete Guide with Code Examples CodeIgniter

How to Use Redis Cache in CodeIgniter 4: A Complete Guide with Code Examples

Caching is a crucial technique for improving the performance of web applications by storing frequently accessed data in a fast-access storage layer. In CodeIgniter 4, the framework provides built-in support for multiple caching drivers, including Redis — an in-memory data structure store known for its speed and versatility. Redis can act as a cache, database, or message broker, making it ideal for high-traffic applications. This step-by-step tutorial covers Redis installation, CI4 configuration with both phpredis and Predis, practical controller examples, cache invalidation strategies, and performance best practices.

By Revathi M · Read