How to install CodeIgniter on Ubuntu 22.04


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Installing CodeIgniter on Ubuntu 22.04

CodeIgniter is a powerful PHP framework for building web applications. It follows the MVC (Model-View-Controller) pattern, which helps in organizing and maintaining code effectively. It provides a set of libraries and a simple interface to carry out common web development tasks, making it easier to develop robust and scalable applications.

  1. Open terminal on your Ubuntu 22.04 system.
  2. Install the necessary packages for running PHP:
$ sudo apt update
$ sudo apt install php php-cli php-mbstring php-xml
  1. Install Composer, a PHP dependency manager. It will help us install CodeIgniter and its dependencies.
$ php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
$ php composer-setup.php
$ php -r "unlink('composer-setup.php');"
  1. Create a new directory where you want to install CodeIgniter:
$ sudo mkdir /var/www/codeigniter
  1. Navigate to the newly created directory:
$ cd /var/www/codeigniter
  1. Create a new CodeIgniter project using Composer:
$ php /path/to/composer.phar create-project codeigniter4/appstarter . --no-dev
  1. Set the appropriate file permissions:
$ sudo chmod -R 777 /var/www/codeigniter/writable
  1. You can now access your CodeIgniter application using a web browser:

Congratulations! You have successfully installed CodeIgniter on Ubuntu 22.04. You can now start building your web application using CodeIgniter's powerful features and libraries.

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