How to Install CodeIgniter on CentOS 7


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Installing CodeIgniter on CentOS 7

CodeIgniter is a popular open-source PHP web development framework that helps developers build dynamic websites rapidly. It follows the Model-View-Controller (MVC) architectural pattern, making it easy to separate business logic from presentation logic.

To install CodeIgniter on CentOS 7, follow the steps below:

Step 1: Install LAMP stack

Before installing CodeIgniter, you need to set up a LAMP stack (Linux, Apache, MySQL, PHP) to run the application. If you already have a LAMP stack installed, you can skip this step.

To install Apache, MySQL, and PHP on CentOS 7, follow the guide here.

Step 2: Download CodeIgniter

Go to the official CodeIgniter website (https://codeigniter.com/) and download the latest version of CodeIgniter.

Once downloaded, extract the contents of the zip file to your Apache web server's document root directory. By default, the document root directory is /var/www/html/.

Step 3: Configure CodeIgniter

CodeIgniter comes with a default configuration file, application/config/config.php. Open this file and make the following changes:

  1. Set the $config['base_url'] to the URL of your website. For example, $config['base_url'] = 'http://example.com/';
  2. Set the $config['index_page'] to an empty string ($config['index_page'] = '';).
  3. Configure the database connection by setting the $db['default'] array in the application/config/database.php file. Provide the host, username, password, and database name for your MySQL database.

Save the configuration files once you have made the necessary changes.

Step 4: Test the Installation

Now that you have installed and configured CodeIgniter, you can test your installation. Open a web browser and access the URL of your CodeIgniter installation, for example, http://example.com/.

If everything is set up correctly, you should see the default CodeIgniter welcome page.

Congratulations! You have successfully installed CodeIgniter on CentOS 7. You can now start building your dynamic web applications using CodeIgniter's powerful features and libraries.

Note: This answer provides a brief overview of the installation process for CodeIgniter on CentOS 7. For more detailed information and advanced usage, refer to the official CodeIgniter documentation.

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