Download ((free)) Composer Codeigniter 4 💯

Enable intl , mbstring , and curl in your php.ini file. Composer: Version 2.0.14 or later . Database: MySQL (5.1+), PostgreSQL (7.4+), or SQLite3. Step 2: Install CodeIgniter 4 via Composer

There are two primary ways to "download" CI4 using Composer: starting a fresh project or adding it to an existing one. download composer codeigniter 4

Before downloading, ensure your development environment meets the following baseline requirements as of 2026: Enable intl , mbstring , and curl in your php

If you already have a project directory and want to integrate CI4, use: composer require codeigniter4/framework Use code with caution. download composer codeigniter 4

Using Composer to install CodeIgniter 4 (CI4) is the industry-standard method because it automates dependency management and makes future framework updates as simple as running a single command.