What is the difference between using the "post" and "get" methods for hidden fields in PHP forms?

When using hidden fields in PHP forms, the main difference between using the "post" and "get" methods is how the data is sent to the server. With the "post" method, the data is sent in the HTTP request body, making it more secure as the data is not visible in the URL. This method is typically used when handling sensitive information. On the other hand, the "get" method sends the data in the URL, which can be seen by anyone and is not recommended for sensitive information. This method is commonly used for simpler forms or when bookmarking or sharing URLs.

<form method="post" action="process_form.php">
  <input type="hidden" name="hidden_field" value="hidden_value">
  <input type="submit" value="Submit">
</form>