Registration.php

<?php
/**
 * Wrappers for facebook plugins.
 * @copyright © Digitick <www.digitick.net> 2011
 * @license GNU Lesser General Public License v3.0
 * @author Ianaré Sévi
 */

require_once 'EFaceplugsAppLink.php';

/**
 * The registration plugin allows users to easily sign up for your website with
 * their Facebook account.
 *
 * @see http://developers.facebook.com/docs/plugins/registration
 */
class Registration extends EFaceplugsAppLink
{
	/**
	 * If the user arrives logged into Facebook, but has not registered for
	 * your site, the button will say Register and clicking it will take the
	 * user to your registration-url.
	 * @var string
	 */
	public $registration_url;
	/**
	 * The URI that will process the signed_request. It must be prefixed by
	 * your Site URL.
	 * @var string
	 */
	public $redirect_uri;
	/**
	 * Comma separated list of Named Fields, or JSON of Custom Fields.
	 * @var string
	 */
	public $fields;
	/**
	 * Only allow users to register by linking their Facebook profile.
	 *
	 * Use this if you do not have your own registration system. Default: false.
	 * @var boolean
	 */
	public $fb_only;
	/**
	 * The width in pixels. If the width is < 520 the plugin will
	 * render in a small layout.
	 * @var integer
	 */
	public $width;
	/**
	 * 
	 * @var integer
	 */
	public $client_id;

	public function run()
	{
		parent::run();
		$this->client_id = $this->app_id;
		$params = $this->getParams();
		echo CHtml::openTag('fb:registration', $params), CHtml::closeTag('fb:registration');
	}

}