CodeIgniter is a fantastic framework, which caters to beginners, power users and everyone in between. As the best web development source on the web, we've taken it upon ourselves to provide extensive tutorials and screencasts on the subject. Today, we'll take a look at over 30 of our most awesome CodeIgniter tutorials.
By the way, did you know that we also have a wide selection of CodeIgniter apps, scripts and plugins on Envato Market? From user management to AWS S3 integration, you can find solutions for a wide range of problems there.
OK, on to the tutorials...
How to Build a Shopping Cart using CodeIgniter and jQuery
CodeIgniter is an open source PHP web application framework with a lot of features. Recently, thanks to the latest update, a new feature was added to this framework, called the Cart Class. In this tutorial, we’re going to take advantage of this new class, and write a shopping cart system, with a touch of jQuery added in.
Create a Jobs Board With CodeIgniter: Premium Tutorial
In this two-part series, we’ll be creating a basic ‘Jobs Board’, similar to “FreelanceSwitch Jobs” and “Smashing Jobs”, using the CodeIgniter PHP framework. Sign up!
How to Create a Config Variables Loader in CodeIgniter: Premium Tutorial
In this tutorial,, we're going to build a config loader that automatically loads all of your important site variables and makes them available globally.
Easy Development With CodeIgniter
In this week’s 30 minute screencast, I’m going to show you how easy it is to work with the MVC pattern and CodeIgniter. This video is aimed at beginners who have no experience with a PHP framework.
How to Sell Digital Goods with CodeIgniter: Premium Tutorial
In today’s tutorial, you’ll learn how to create a small web app to sell digital items (eg. eBooks) securely and accept payments from PayPal. Become a Premium member to read this tutorial, as well as hundreds of other advanced tutorials and screencasts.
How to Create a Layout Manager with CodeIgniter: Premium Tutorial
This Premium video, and companion article will teach you how to create a simple, yet powerful library to handle layouts. The library you’ll create will allow you to maximize your efficiency and save time.
6 CodeIgniter Hacks for the Masters
CodeIgniter is a simple and powerful open source web application framework for PHP. Today, we’ll do some core “hacks” to this framework to change and improve its functionality. In the process, you’ll gain a better understanding of the intricacies of CodeIgniter.
Build an RSS 2.0 Feed with CodeIgniter
In this tutorial, we will build a RSS 2.0 Feed with the PHP framework CodeIgniter. After this tutorial, you will be able to build a feed for any custom website in no time at all.
Basecamp Style Subdomains With CodeIgniter
CodeIgniter is a simple and lightweight PHP framework used to create powerful web applications. Today, we are going to do something nifty: we’ll combine user names and subdomains to make for a more cohesive user experience.
Working with RESTful Services in CodeIgniter
CodeIgniter is becoming well known for its power as a PHP based web application framework, but it’s not often that we see examples of it being used for anything else. Today we’ll learn how we can use CodeIgniter to create a RESTful API for your existing web applications, and demonstrate how to interact with your own API or other RESTful web-services.
Everything You Need to Get Started With CodeIgniter
CodeIgniter is a web application framework for PHP. It enables developers to build web applications faster, and it offers many helpful code libraries and helpers which speed up tedious tasks in PHP. It's based on a modular design; which adds to the speed of the framework. This tutorial will attempt to show you the basics of setting up the framework.
Creating a File Hosting Site with CodeIgniter
I have seen a few introductory tutorials for Codeigniter, and was hoping to show you something a little more advanced. This tutorial will show you how to build a powerful web application for hosting images, using the flexibility of Codeigniter. This tutorial should teach you about the MVC coding philosophy, integral to producing serviceable applications.
How to Update your Twitter Status with CodeIgniter
Hi, in this tutorial we will update our twitter status via the ‘Twitter API’ using CodeIgniter. I recommend following step by step, rather than glossing over the tutorial. Let’s dig in!
Create a Contact Manager – Premium Tutorial
In this three-part series – in depth tutorials + two hour screencast – we’ll be creating a contact manager using jQuery and CodeIgniter. As more and more applications are moving towards the hive, web developers & designers alike are required to learn more and more about how to design “desktopesque” projects.
From CodeIgniter to Ruby on Rails: A Conversion
Today, we’ll be creating a simple shoutbox using the CodeIgniter PHP framework. We’ll then port this exact application, piece-by-piece, to Ruby on Rails!
CodeIgniter From Scratch: Day 1
After numerous requests, today we are launching a new screencast series on Nettuts+ that will focus exclusively on the CodeIgniter PHP framework. Over the course of about 10 videos, I’ll teach you exactly how to use this framework. Ultimately, we’ll work our way up to building a custom CMS. Without further ado, here’s day one!
CodeIgniter From Scratch: Day 2
Continuing on from day 1, today, I’ll teach you five different ways to write select statements for your database. If you haven’t watched the first entry in this video series, don’t worry; each video can function on its own as a single tutorial. Having said that, I highly recommend that you watch each screencast.
CodeIgniter From Scratch: Day 3. Sending Emails
At the request of some of our readers, this week, we’ll examine just how easy it is to send emails with attachments using Gmail. With raw PHP, this would be a long and tedious task. However, with CodeIgniter, it’s a cinch! I’ll show you how in this eighteen minute video tutorial.
CodeIgniter From Scratch: Day 4 – Newsletter Signup
Continuing on from Day 3, we’ll expand our little application into a simple newsletter signup form. This will allow us to taker a closer look at both the email and the form_validation classes. Learn it all in this 30 minute screencast.
CodeIgniter From Scratch: Day 5 – CRUD
The most requested tutorial for day five of our CodeIgniter screencast series was for an introduction to CRUD operations. We’ll review how to easily create, read, update, and delete records using CI’s active-records class.
CodeIgniter From Scratch: Day 6 – Login
In today’s hour long video tutorial, we’ll be doing a lot! We’ll implement a login and signup form that will allow us to lock down certain sections of our fictional site. As you’ll find, working with sessions in CodeIgniter is a cinch!
CodeIgniter from Scratch Day 7: Pagination
In these last two weeks, I’ve received bunches of requests for a CodeIgniter pagination screencast; so that’s what we’ll be reviewing today! As a bonus, we’ll also take a look at the super convenient HTML Table class.
CodeIgniter from Scratch: Day 8 – AJAX
The CodeIgniter from Scratch series was unexpectedly, and significantly popular. Today, I’m pleased to announce that, with the help of one of my best authors, Burak, we’ll be continuing the series! Additionally, the most often requested topic is the subject for today’s screencast: combining CodeIgniter and jQuery.
CodeIgniter from Scratch: File Uploading and Image Manipulation
In lesson nine of our CodeIgniter series, we’ll build a small image gallery that allows you to upload files, and automatically create thumbnails.
CodeIgniter from Scratch: The Calendar Library
In this tenth episode of the CodeIgniter From Scratch screencast series, we will be exploring the Calendar library. We are also going to utilize the database class and jQuery AJAX. I will show you how to build a simple and CSS-styled calendar page, which will have the ability to store and display content for each day.
CodeIgniter from Scratch: File Operations
In today’s episode, we are going to be working with several helper functions, related to files, directories, and downloads. We are going to learn how to read, write, download files, and retrieve information about both files and directories. Also at the end we will build a small file browser that utilizes jQuery as well.
CodeIgniter from Scratch: Shopping Cart
Today, we are going to take a look at the Shopping Cart library for CodeIgniter. This useful class allows us to add and remove items to a shopping cart, update them, and calculate prices. I will demonstrate how you can build a simple shopping cart system with the help of this library..
CodeIgniter from Scratch: Extending the Framework
In today’s screencast we are going to learn how to create our own helpers and libraries. We are also going to learn how to extend the existing helpers and libraries that come with CodeIgniter. At the end of the tutorial we will extend the Form Validation library to give it the ability to check for password strength.
CodeIgniter from Scratch: Security
In this fourteenth episode of the series, our subject is ‘Security.’ We will go over topics such as: password encryption, message encoding/decoding, XSS filtering, output filtering, sql injection, session security, private controller methods and more.
CodeIgniter from Scratch: Profiling, Benchmarking & Hooks
In this 15th episode of the series, we are going to learn about three subjects: Profiling, Benchmarking and Hooks. You can use these tools to analyze your CodeIgniter applications performance, and figure out what part of the code you need to optimize. We are also going to make even further improvements to the Profiler library to suit our needs.
CodeIgniter from Scratch: Displaying & Sorting Tabular Data
In today’s video tutorial, we are going to use CodeIgniter to pull information from a database and display it in a sortable table structure. This is a quite common task, especially inside admin areas, for displaying database records. We’ll be utilizing a few different utilities, such as the active records library and pagination.
Conclusion
We've worked incredibly hard over the last year to provide the CodeIgniter community with, what we consider, to be the best single source for tutorials and screencasts available on the web. That being said, are there CodeIgniter topics that we haven't yet covered? What tutorial on the subject would you like to see next?
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