Server Requirements to Run Codeigniter 4

- PHP 7.2 or higher: CodeIgniter 4 requires PHP 7.2 or higher to run. This ensures that you have the latest security patches and features.
- MySQL 5.6 or higher: CodeIgniter 4 supports MySQL 5.6 or higher, as well as other databases like PostgreSQL and SQLite.
- Apache 2.4 or higher: CodeIgniter 4 requires Apache 2.4 or higher to run. This ensures that you have the latest security patches and features.
- mod_rewrite enabled: CodeIgniter 4 uses mod_rewrite to enable clean URLs. This ensures that your URLs are readable and SEO-friendly.

Downloading and Installing CodeIgniter 4

- Downloading CodeIgniter 4: You can download CodeIgniter 4 from the official website. Make sure to download the latest version.
- Extracting CodeIgniter 4: Once you have downloaded CodeIgniter 4, extract the files to your desired directory.
- Setting up the basic configuration: Edit the app/Config/App.php file to set up the basic configuration. This includes setting the base URL, index page, and URI protocol.
- Configuring the database: Edit the app/Config/Database.php file to configure the database settings. This includes setting the database host, username, password, and database name.

Example: Downloading and Installing CodeIgniter 4 on Ubuntu

- Step 1: Download CodeIgniter 4 using the following command: wget (link unavailable)
- Step 2: Extract CodeIgniter 4 to the /var/www/html/codeigniter4 directory using the following command: unzip codeigniter4.zip -d /var/www/html/codeigniter4
- Step 3: Set up the basic configuration by editing the app/Config/App.php file using the following command: nano /var/www/html/codeigniter4/app/Config/App.php
- Step 4: Configure the database settings by editing the app/Config/Database.php file using the following command: nano /var/www/html/codeigniter4/app/Config/Database.php

I hope this helps! Let me know if you have any further questions or need more information