Installing CodeIgniter on A2 Hosting?

8 minutes read

To install CodeIgniter on A2 hosting, follow these steps:

  1. Download the latest version of CodeIgniter from the official website (
  2. Login to your A2 hosting account's cPanel.
  3. In the cPanel, locate the "Files" section and click on the "File Manager" icon.
  4. Select the domain or subdomain where you want to install CodeIgniter.
  5. In the File Manager, create a new folder/directory (e.g., "myproject") where you want to install CodeIgniter.
  6. Open the newly created folder.
  7. Now, upload and extract the CodeIgniter zip file you downloaded earlier. You can either upload the file directly or use an FTP client like FileZilla for this.
  8. After extracting, you should see the CodeIgniter files and folders in the "myproject" folder.
  9. Now, rename the "application/config/config.php" to "application/config.php" and "application/config/database.php" to "application/database.php".
  10. Next, open the "application/config.php" file in a text editor and set the base URL according to your domain or subdomain.
  11. Similarly, open the "application/database.php" file in a text editor and update the database settings according to your database credentials.
  12. If you are using A2 hosting's shared hosting, make sure to add the database hostname, username, password, and database name correctly.
  13. Save the changes made to both files.
  14. Finally, access your CodeIgniter installation by entering the URL of your domain or subdomain in a web browser. If everything is set up correctly, you should see the default CodeIgniter welcome page.

That's it! You have successfully installed CodeIgniter on A2 hosting. You can now start building your web application using CodeIgniter's powerful features and functionalities.

Best Cloud Hosting Services of April 2024


Rating is 5 out of 5


  • Ultra-fast Intel Core Processors
  • Great Uptime and Support
  • High Performance and Cheap Cloud Dedicated Servers
Digital Ocean

Rating is 4.9 out of 5

Digital Ocean

  • Professional hosting starting at $5 per month
  • Remarkable Performance

Rating is 4.8 out of 5



Rating is 4.7 out of 5


How to enable hooks in CodeIgniter on A2 hosting?

To enable hooks in CodeIgniter on A2 hosting, you need to follow these steps:

  1. Log in to your A2 hosting account and navigate to the cPanel.
  2. In the cPanel, find the section called "Software" and click on the "Select PHP Version" option.
  3. On the next page, make sure you're using the latest version of PHP. If not, select the latest version from the dropdown menu and click on the "Set as current" button.
  4. Once you're using the latest version of PHP, click on the "Switch to PHP Options" link.
  5. In the PHP options page, scroll down and find the "enable_dl" option. Make sure it is set to "On". This option is required to enable dynamic loading of PHP modules, including hooks.
  6. Scroll down further to find the "max_execution_time" option. Increase the value to a higher number, such as 300. This will allow CodeIgniter to execute longer scripts if needed.
  7. Scroll down to the bottom of the page and click on the "Apply" button to save the changes.
  8. Now, you need to enable hooks in your CodeIgniter application. Open the "application/config/config.php" file in a text editor.
  9. Find the line that says "$config['enable_hooks'] = FALSE;" and change it to "$config['enable_hooks'] = TRUE;". This will enable hooks in your CodeIgniter application.
  10. Save the changes to the config.php file.
  11. Now, you can use hooks in your CodeIgniter application. You can define hooks in the "application/config/hooks.php" file and specify the functions you want to execute at different points in the execution flow.

That's it! You have successfully enabled hooks in CodeIgniter on A2 hosting. You can now use hooks to extend and modify the behavior of your CodeIgniter application.

How to implement authentication and authorization in CodeIgniter?

To implement authentication and authorization in CodeIgniter, you can follow these steps:

  1. Create a User Model: Start by creating a User Model to interact with your database. This model should include methods for creating, retrieving, updating, and deleting user data.
  2. Create a Login Controller: Next, create a Login Controller that handles the authentication process. This controller should have methods for managing user login, logout, and registration functionality.
  3. Configure Routes: Set up routes in your CodeIgniter configuration file (config/routes.php) to map URLs to specific controller methods. For example, you might have a route for the login page, registration page, and user dashboard.
  4. Create Database Tables: Design and create database tables to store user information, such as their username, password, email, and any additional fields you require.
  5. Implement Registration: Write the necessary logic to handle user registration. This includes validating inputs, hashing passwords, and inserting the user's data into the database.
  6. Implement Login: Develop the logic for user login. This generally involves validating the provided username and password, checking for a matching record in the database, and setting session data upon successful authentication.
  7. Implement Authorization: For authorization, you can use role-based access control (RBAC) or permissions-based access control. RBAC assigns roles to users, while permissions-based access control provides specific permissions to individual users. Choose the one that suits your application requirements and implement it accordingly.
  8. Secure Routes: Protect your application routes by adding authentication and authorization checks. For example, you can use middleware or hooks to verify if the user is logged in and check their roles or permissions before allowing access to specific routes.
  9. Logout Functionality: Implement a logout method that destroys the user's session and redirects them to the login page.

These steps should help you implement basic authentication and authorization in CodeIgniter. However, depending on your specific requirements, you may need to consider additional security measures, such as password reset functionality and CSRF protection.

How to use CodeIgniter libraries on A2 hosting?

To use CodeIgniter libraries on A2 hosting, follow these steps:

  1. Download the latest version of CodeIgniter from the official website or use Composer to install it.
  2. Extract the downloaded CodeIgniter archive and open the application/config/config.php file.
  3. Update the following lines in the config.php file according to your A2 hosting settings: $config['base_url'] = ''; $config['index_page'] = ''; $config['uri_protocol'] = 'REQUEST_URI';
  4. Upload the extracted CodeIgniter files to your A2 hosting account using any FTP client or the A2 hosting file manager.
  5. Create a new MySQL database on your A2 hosting account and take note of the database details (database name, username, password, and host).
  6. Update the database configuration in the application/config/database.php file with the details of your MySQL database: $db['default'] = array( 'dsn' => '', 'hostname' => 'localhost', // or the host provided by A2 hosting 'username' => 'your-username', 'password' => 'your-password', 'database' => 'your-database-name', 'dbdriver' => 'mysqli', // ...
  7. Upload any additional custom libraries or third-party libraries to the application/libraries folder.
  8. Modify the CodeIgniter application as per your requirements.
  9. Customize the .htaccess file in the CodeIgniter root directory to remove the index.php from the URL. Here is an example of a typical CodeIgniter .htaccess file: RewriteEngine On RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !-d RewriteRule ^(.*)$ index.php?/$1 [L]
  10. Finally, access your CodeIgniter application by browsing your domain name in a web browser.

Note: Make sure your A2 hosting account meets the CodeIgniter requirements, such as PHP version and necessary extensions. Also, ensure that necessary file and folder permissions are set correctly for the CodeIgniter files.

Facebook Twitter LinkedIn Telegram Whatsapp Pocket

Related Posts:

To install CodeIgniter on A2 hosting, follow these steps:Download the latest version of CodeIgniter from the official website ( the downloaded ZIP file on your local computer.Connect to your A2 hosting account using an ...
CodeIgniter is a popular open-source PHP framework that is widely used for web application development. When it comes to hosting a CodeIgniter application, there are several options available.Shared Hosting: This is a common and cost-effective option for hosti...
Installing ElasticSearch on cloud hosting involves the following steps:Choose a cloud hosting provider: There are several cloud hosting providers available, such as Amazon Web Services (AWS), Google Cloud Platform (GCP), Microsoft Azure, and IBM Cloud. Select ...
Installing OpenCart on cloud hosting involves a few steps:Choose a cloud hosting provider that supports OpenCart installation. Some popular options include Amazon Web Services (AWS), Google Cloud, and Microsoft Azure. Sign up for a cloud hosting account and se...
To install Svelte on hosting, you can follow the steps outlined below:Choose a hosting provider: Start by selecting a suitable hosting provider that supports the necessary server requirements for running a Svelte application. Some popular hosting providers for...
To quickly deploy OpenCart on A2 hosting, you need to follow these steps:First, sign up for an A2 hosting account and choose a hosting plan that suits your requirements. Once you've signed up, you will receive an email with your account details, including ...