Are there any specific PHP functions or methods that can be used to show a confirmation message after form submission?

To show a confirmation message after form submission in PHP, you can use the header function to redirect the user to a new page with a message displayed. You can also use session variables to store the message and display it on the redirected page. 

// Process form submission
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Process form data
    
    // Set confirmation message
    $_SESSION['confirmation_message'] = "Form submitted successfully!";
    
    // Redirect to a confirmation page
    header("Location: confirmation.php");
    exit();
}
```

In the `confirmation.php` page, you can display the confirmation message using the session variable:

```php
// Display confirmation message
session_start();
if(isset($_SESSION['confirmation_message'])) {
    echo $_SESSION['confirmation_message'];
    unset($_SESSION['confirmation_message']);
}

Keywords

PHP form submission confirmation message functions methods

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