What steps should be taken to troubleshoot a PHP form script that reloads the page without processing the form data upon submission?

The issue of a PHP form script reloading the page without processing the form data upon submission is likely caused by incorrect form action or method attributes in the HTML form element. To solve this issue, ensure that the form action attribute points to the PHP script that processes the form data and that the method attribute is set to "post".

<form action="process_form.php" method="post">
    <!-- form fields go here -->
    <input type="submit" value="Submit">
</form>