CodeIgniter

CodeIgniter is an open-source PHP Model-View-Controller (MVC) framework.

In projects where rapid development is prioritized, the CodeIgniter framework is preferred. CodeIgniter enables projects to be deployed faster It has a rich set of libraries and an easy interface.

MVC, or Model-View-Controller, is a software pattern used in application development where data is presented to the user through different visualization methods. MVC (Model-View-Controller), known as an architectural pattern or design pattern, allows the separation of different parts of the application that have different objectives, such as the business logic and the user interface. CodeIgniter is based on this structure. 
 

What is a CodeIgniter Developer?

CodeIgniter is a PHP framework. PHP, is a general-purpose scripting language suitable for web development. scripting language. CodeIgniter Developers are also experienced developers in applying advanced features to websites and web applications. They are familiar with the libraries offered by CodeIgniter and know how to use them effectively.
 

What is CodeIgniter Used For?

CodeIgniter is used to develop web applications in a fast and efficient manner. Because it has a lightweight structure, it enables the rapid development of applications with minimum time and resource usage to enable the rapid development of applications. 
 

Why CodeIgniter?

CodeIgniter is a framework widely used for creating dynamic websites and even e-commerce sites. Today, companies like Nissan and Buffer prefer CodeIgniter on their websites. So why should you use CodeIgniter? Here are the outstanding features of CodeIgniter:

1- Secure

When it comes to creating a secure website, CodeIgniter is one of the top frameworks to consider. It provides various features that facilitate developers in writing secure PHP applications.

CodeIgniter offers features such as cookie encryption and decryption to make websites more secure. Critical security measures, such as data validation, session management, and protection against XSS (Cross-Site Scripting) and CSRF (Cross-Site Request Forgery) attacks are also included. Additionally, the security of the site can be enhanced by installing various plugins.

2- Simple

CodeIgniter is quite simple and easy to learn. For developers who are already familiar with PHP, mastering CodeIgniter is very easy. 

There is a large amount of documentation available on the website to learn CodeIgniter. It has built-in libraries for calendars, emails, uploads, unit testing, and validation. Additionally, the installation of CodeIgniter is also easy. You just need to upload the files to the server. 

3- Flexible

CodeIgniter is quite flexible. It offers an easy way to develop websites without having to use another framework. 

4- Fast

CodeIgniter loads in less than 50 milliseconds on average. Since the complete source code is less than 2 MB, it loads very quickly. 

With less code,, it offers the possibility for fast development. Let's examine the following example of writing a database query. 

The function in a PHP program to query a MySQL database is as follows:

A similar query is done with the CodeIgniter framework: 

The first example has 244 characters, while in the CodeIgniter framework, there are only 112 characters. Creating a website in the CodeIgniter framework leads to less code, and therefore fewer errors. Additionally, it loads faster compared to other frameworks.

5- Lightweight

CodeIgniter is a lightweight framework that requires minimal installation. Essentially, it provides a core system and allows you to load additional features optionally. This ensures that your application runs quickly. 

It is much more lightweight compared to PHP counterparts such as Laravel, Plain PHP counterparts. It provides a download of only 2 MB, including the user guide. This feature eliminates the need to optimize the framework-based performance of websites.

6- Documentation

CodeIgniter has comprehensive documentation. This documentation helps users understand and use the framework.

CodeIgniter documentation can be reviewed from the official website or GitHub. You can also get help from CodeIgniter's large and active user community. With over 60,000 members, they contribute to ease of use.

7- Automatic Loaders

CodeIgniter has a loading system that automatically loads various functions. This way, the required libraries and helpers are automatically loaded and ready for use.

8- Extensive Library Support

CodeIgniter includes many useful libraries for database operations, form validation, session management, and sending emails.
 

Advantages of CodeIgniter

Many companies use CodeIgniter on their websites. The MVC architecture, easy learning curve, small footprint, and the above features are the standout features of CodeIgniter. Its advantages are as follows:

• Error Management: CodeIgniter comes with a set of error handling techniques.
• MVC Architecture: CodeIgniter is designed based on the Model-View-Controller (MVC) architecture. MVC facilitates developers to customize websites in a flexible manner. 
• Features: CodeIgniter has built-in components and libraries to send emails, manage databases, and manage sessions. These features make development faster.
• Database Support: CodeIgniter can easily integrate with different database systems. MySQL, PostgreSQL, and SQLite like common databases are compatible.
• SEO Friendly: CodeIgniter comes with an SEO-friendly feature package. It is designed to enhance the SEO performance of web applications.

Companies Using CodeIgniter

💼 Accenture

💼 Grindr

💼 Amplify

💼 Medtronic

💼 Sprout Social

💼 SocialDog

💼 Nissan

💼 Buffer

💼 Casio

How to Install CodeIgniter?

You can follow the steps below to install CodeIgniter:

1) Download the latest version of CodeIgniter from the official website.

2) The downloaded CodeIgniter will be in zip format. Extract the folder you downloaded.

3) Upload all files and folders to your server.

4) In your browser, type localhost/CodeIgniter/. If the page opens successfully, it means your files have been uploaded successfully.
 

CodeIgniter Lessons - Learning Resources

Before starting to learn CodeIgniter, embrace the MVC concept and be able to write code in PHP'. Once this foundation is established, using CodeIgniter while coding an application or website will save you a lot of time.

1- CodeIgniter Documentation

Official CodeIgniter documentation is one of the best resources to learn CodeIgniter. These documents try to explain all CodeIgniter features. The official documentation includes step-by-step instructions, examples, and detailed explanations.

2- Online CodeIgniter Training Videos

There are many CodeIgniter training videos available on the internet. YouTube or Udemy to watch these training videos.

3- PHP Bootcamps

Bootcamps are an effective way to develop PHP skills in a short period. In these bootcamps, you can both improve your skills in PHP programming and learn PHP frameworks.