CodeIgniter Tutorial

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CodeIgniter is an open-source framework that helps to develop web applications using PHP, it is a full-featured toolkit for developers to start with web applications. 

CodeIgniter is known for its simple and standard MVC structure that makes the development faster.

It includes a simple logical structure, helpers, Plug-ins, and pre-built libraries with a user-friendly interface. 

Codeigniter uses MVC architecture which is a standard industrial architecture, which eliminates the need of rewriting the same code again and again and makes your code easy to read and robust.

Codeigniter requires zero configuration and it doesn’t use any command-line interface. It simplifies complications of PHP for you and can build fully dynamic websites with fewer efforts and in less time. 

It supports PHP version 5.2.6 or above and MySQL version 4.1 or above. The entire source code for the CodeIgniter framework is close to 2MB, which is lightweight and it simplifies the update and deployment process

Some Important features of Codeigniter :

  • Minimalistic : The whole source code for CodeIgniter is close to 2MB.
  • MVC based structure : Codeigniter uses MVC architecture which is a standard industrial architecture.

  • Built-In Libraries : Codeigniter has all types of package libraries, like form validations and database-related tasks.
  • SEO friendly URL:  CodeIgniter generates  search engine friendly URL
  • Absolutely Free: Codeigniter is licensed under MIT which is absolutely free.

Other Features of CodeIgniter :

  • Secure environment
  • lightweight.
  • Rich set of packages.
  • Database configuration.
  • Platform independent.
  • Session management.
  • Uses helpers and hooks.
  • Data encryption.
  • Simple Interface with a logical structure.
  • Full-page caching.
  • localization.

Prerequisites :

  • Brief knowledge of core PHP.
  • Intermediate knowledge about advanced PHP.
  • Hands on to HTML and CSS.


In this tutorial we are going to learn everything from basics to advanced level coding in CodeIgniter, 

This tutorial is designed mainly for beginners but can also be very helpful for experienced developers.

At the end of this series, we will be able to write complex code from intermediate level to advanced level and have a good knowledge of web applications and standard structures of the web application, 

we will be able to develop static or dynamic web application in the minimum amount of time than the traditional web applications based on core PHP. 

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