How to Check PHP Version in Joomla 4

If you're running Joomla 4, it's important to make sure you're running the correct version of PHP. In this guide, we'll show you six different ways to check your PHP version in Joomla 4.

### Method 1: Using Joomla Backend

1. Log in to your Joomla 4 backend.
2. Go to System > System Information.
3. Under the PHP Information section, you will see the PHP version number.

### Method 2: Using PHP File

1. Create a new file in your Joomla root directory and name it `phpinfo.php`.
2. Open the file and add the following code:

   ```php
   <?php
   phpinfo();
   ?>
   ```

3. Save the file and open it in your web browser by going to `http://yourdomain.com/phpinfo.php`.
4. Look for the "PHP Version" section to find your PHP version number.

### Method 3: Using Command Line

1. Connect to your server via SSH.
2. Run the following command:

   ```bash
   php -v
   ```

3. The command will output your PHP version number.

### Method 4: Using a Plugin

1. Log in to your Joomla 4 backend.
2. Go to Extensions > Manage > Install.
3. Search for the "PHP Version Check" plugin and install it.
4. Once installed, go to Extensions > Plugins and search for the "PHP Version Check" plugin.
5. Enable the plugin and it will display your PHP version number in your Joomla 4 backend.

### Method 5: Using a Command Line Interface (CLI)

1. Connect to your server via SSH.
2. Run the following command:

   ```bash
   php -r 'echo PHP_VERSION;'
   ```

3. The command will output your PHP version number.

### Method 6: Using a PHP Script

1. Create a new file in your Joomla root directory and name it `checkphp.php`.
2. Open the file and add the following code:

   ```php
   <?php
   echo "Current PHP version: " . phpversion();
   ?>
   ```

3. Save the file and open it in your web browser by going to `http://yourdomain.com/checkphp.php`.
4. The script will display your PHP version number.

By using these six different methods, you can easily check your PHP version in Joomla 4. It's important to keep your PHP version up-to-date for security and performance reasons, as running an outdated version can leave your website vulnerable to attacks and bugs. By checking your PHP version regularly, you can ensure that your website is running smoothly and securely.