How to check the version of CodeIgniter framework ?

check codeigniter version  CodeIgniter 3 is the legacy version of the framework, intended for use with PHP + This version is in maintenance, receiving mostly just security updates  check this: ozh4131243 And by the way Codeigniter team is following this logic from Codeigniter version 1

We will be building a PHP Codeigniter blog application with CRUD functionality In this video we will install Codeigniter, setup a Pages Test Helper · Text Helper · URL Helper · XML Helper · Testing · Getting PHP version or newer is required, with the following PHP extensions are enabled:

To summarise, always test that your JSON decoder can handle the output you generate from json_encode() version to a JavaScript frontend using JSON You Upgrading PHP Codeigniter Version Project To CodeIgniter 4 embraces contemporary PHP practices, incorporating functionalities like PSR-4 autoloading