How can the "Resubmit Form Confirmation" issue be avoided in PHP web development?

Issue: The "Resubmit Form Confirmation" issue occurs when a user refreshes a page after submitting a form, causing the form to be resubmitted. This can lead to duplicate form submissions and potentially create issues in the application. Solution: To avoid this issue, we can implement the Post/Redirect/Get (PRG) pattern in PHP. After processing the form submission, we redirect the user to a different page using the header() function to prevent the form from being resubmitted if the user refreshes the page. PHP Code Snippet:

```php
// Check if form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Process form data
    
    // Redirect to a different page
    header("Location: success.php");
    exit;
}
```

In this code snippet, after processing the form data, we redirect the user to a success.php page. This way, if the user refreshes the page, the form will not be resubmitted.