To use Sharebutton, you need to connect to the admin interface of the framework WebSite-PHP.

Once connected you will go to the menu Configuration -> Configure modules and enable the module Sharebutton.

File: /pages/tutorials/sharebutton/sharebutton-01.php

<?php
class Sharebutton01 extends Page {
    public function InitializeComponent() {
        parent::$PAGE_TITLE = "Facebook like share button";
        $this->render = new FacebookLikeButton(
                FacebookLikeButton::BUTTON_COUNT,
                $this->getBaseURL());

        // Enable third party cookies filter
        $this->enableThirdPartyCookiesFilter();
    }
}
?>