Alternatively you could use JavaScript or jQuery.
Put each “page” of the form in a its own section / div. Hide all of the divs but the first, and have a button which will hide the current section/div and show the next. On the final div you have the submit button.
This will help you out if you choose to go down this route: http://thecodeplayer.com/walkthrough/jquery-multi-step-form-with-progress-bar