Versions

CodeIgniter is a popular PHP framework that enables developers to build robust and scalable web applications. CodeIgniter has a number of versions, each with its own set of features and improvements.

Syntax

CodeIgniter versions are identified with a specific number, such as 3.1.11 or 4.1.3.

Example

CodeIgniter 3.x was released in 2015 and continues to be a widely used version of the framework. It includes features such as:

• Modularity
• Access control
• Query Builder
• Active Record database support
• Application profiling
• Error logging
• Security and encryption
• Caching

CodeIgniter 4.x was released in 2020 and is the latest version of the framework. It includes new features and improvements such as:

• PHP 7 support
• Model-View-ViewModel (MVVM) architecture pattern support
• Support for Composer
• Better error handling
• Enhanced security features
• Better debugging tools

Explanation

CodeIgniter versions are typically released to address bugs and security vulnerabilities, and to introduce new features and improvements. The most significant version update was from 3.x to 4.x, which introduced major architecture changes and new features.

Use

Developers can choose the version of CodeIgniter that best suits their project needs. In general, version 3.x is suitable for smaller and simpler projects, while version 4.x is better suited for larger and more complex projects.

Developers should also consider the compatibility of their project with newer versions of PHP, as CodeIgniter 4.x requires PHP 7 or later.

Important Points

• CodeIgniter has several versions, each with its own set of features and improvements.
• CodeIgniter 4.x is the latest version of the framework, with significant changes from the previous version.
• Developers should choose the appropriate version based on the size and complexity of their project, as well as its compatibility with PHP versions.

Summary

CodeIgniter is a popular PHP framework with multiple versions, each with its own set of features and improvements. Developers should choose the appropriate version for their project based on its size and complexity, as well as its compatibility with PHP versions. CodeIgniter 4.x is the latest version of the framework, with significant changes and new features.