Tutorial: Install Phalcon on SiteGround?

8 minutes read

To install Phalcon on SiteGround, you can follow the following steps:

  1. Log in to your SiteGround account and navigate to the cPanel dashboard.
  2. In the cPanel dashboard, scroll down to the "Software" section and click on the "Select PHP Version" tool.
  3. In the PHP Version Manager, select the PHP version you want to use with Phalcon (recommended version is PHP 7 or higher) and click on the "Set as current" button.
  4. Now, go back to the cPanel dashboard and search for the "File Manager" tool. Click on it to open the file manager.
  5. In the file manager, navigate to the root directory of your website (usually the "public_html" folder).
  6. Create a new folder called "phalcon" (or any other name you prefer) in the root directory.
  7. Download the latest Phalcon PHP extension from the official website (https://phalcon.io) to your computer.
  8. Extract the downloaded file and you should find a folder named "ext". Open this folder and locate the file named "phalcon.so" (for Linux) or "php_phalcon.dll" (for Windows).
  9. Upload the "phalcon.so" or "php_phalcon.dll" file to the "phalcon" folder you created in step 6 using the file manager's upload option.
  10. Once the file is uploaded, go back to cPanel and open the "File Manager" tool again.
  11. In the file manager, locate the "public_html" folder (or the folder where your website files are stored).
  12. Open the "index.php" or "index.html" file (or any other file that is the entry point of your website).
  13. Add the following line of code at the top of the file to load the Phalcon extension:
if (!extension_loaded('phalcon')) {
    dl('phalcon.' . PHP_SHLIB_SUFFIX);

  1. Save the file and exit the file manager.
  2. Finally, clear your website's cache (if applicable) and check if the Phalcon extension is successfully installed by accessing your website.

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What is the directory structure for Phalcon installation on SiteGround?

The directory structure for Phalcon installation on SiteGround can vary depending on the specific hosting plan and setup. However, typically, you would follow these steps to install Phalcon on SiteGround:

  1. Log in to your SiteGround account and navigate to the cPanel.
  2. In the cPanel, find the "File Manager" tool and open it.
  3. Once in the File Manager, you should see your website's root directory. This is typically the "public_html" folder.
  4. Inside the root directory, create a new directory to hold your Phalcon project. You can name it anything you prefer. For example, you can create a directory called "phalcon-project".
  5. Enter the newly created directory and upload the Phalcon installation files. This typically includes the Phalcon framework files, your project source code, and any other dependencies or libraries your project requires.
  6. Once the files are uploaded, you can access your Phalcon project by visiting the appropriate URL. The URL will depend on your domain structure and the specific setup of your SiteGround hosting account.

It's important to note that SiteGround may have specific guidelines or restrictions on file placement or access permissions, so it's recommended to refer to their documentation or reach out to their support team for further assistance.

What is the recommended PHP version for Phalcon?

The recommended PHP version for Phalcon is PHP 7.4 or later. Phalcon 4, the latest version of the framework, has been optimized for PHP 7.4 and includes several improvements and new features. It is recommended to use the latest stable release of PHP for maximum performance and compatibility with Phalcon.

What is the latest version of Phalcon?

The latest version of Phalcon is 4.1.0, released on October 15, 2021.

How to implement authentication and authorization in Phalcon?

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

  1. Install Phalcon: You can install Phalcon by following the official installation guide on their website.
  2. Set up the database: Create a new database and configure the database connection in your Phalcon application's configuration file.
  3. Create a User model: Create a User model that extends Phalcon's Model class. Add properties for user details like username, password, and role.
  4. Create a User controller: Create a UserController that extends Phalcon's Controller class. Implement actions for user registration, login, and logout.
  5. Implement authentication: In the login action of the UserController, check the username and password provided by the user and compare them against the stored values in the database. If they match, create a session variable to indicate that the user is authenticated.
  6. Implement authorization: To implement authorization, you can add a 'role' property to the User model. Create a Roles model and add roles like 'admin' and 'user'. In your controllers, check the user's role before allowing access to certain actions. For example, only users with the 'admin' role can access the admin panel.
  7. Use middleware: To simplify the authentication and authorization process, you can use Phalcon's middleware feature. Create a middleware function that checks if the user is authenticated and authorized for the requested action. Apply this middleware to routes that require authentication or specific roles.

By following these steps, you can implement authentication and authorization in your Phalcon application. Remember to secure sensitive user data like passwords by using hashing and encryption techniques.

How to verify the successful installation of Phalcon?

You can verify the successful installation of Phalcon by following these steps:

  1. Open a terminal or command prompt.
  2. Run the command php -m to display the list of installed PHP extensions.
  3. Look for "Phalcon" in the list. If it is present, then Phalcon is successfully installed. If not, you may need to install it again or troubleshoot the installation process.
  4. Another way to verify the installation is by creating a simple Phalcon application and running it. Here's a basic example:
use Phalcon\Mvc\Application;

try {
    // Autoload the dependencies
    require_once 'path/to/your/application/vendor/autoload.php';

    // Create a new application
    $application = new Application();

    // Handle the request
    $response = $application->handle();

    // Send the response
} catch (\Exception $e) {
    echo "Exception: ", $e->getMessage();

Save this code to a PHP file, e.g., index.php. Replace 'path/to/your/application' with the actual path to your application directory. 5. Open a web browser and visit the URL where you saved the file, e.g., http://localhost/your-app/index.php. If you see a blank page or the application runs without any errors, then Phalcon is installed correctly.

If you encounter any issues during the installation process or verifying the installation, refer to the official Phalcon documentation or seek help from the Phalcon community.

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