[ticket/10586] Make the abstract class implement the original interface

PHPBB3-10586

phpBB/includes/extension/controller.php

@@ -20,7 +20,7 @@ if (!defined('IN_PHPBB'))
 *
 * @package extension
 */
-abstract class phpbb_extension_controller
+abstract class phpbb_extension_controller implements phpbb_extension_controller_interface
 {
 	/**
 	* @var phpbb_request Request class object

phpBB/includes/extension/controller_interface.php

@@ -0,0 +1,31 @@
+<?php
+/**
+*
+* @package extension
+* @copyright (c) 2011 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* The interface that extension classes have to implement to run front pages
+*
+* @package extension
+*/
+interface phpbb_extension_controller_interface
+{
+	/**
+	* handle the request to display a page from an extension
+	*
+	* @return	null
+	*/
+	public function handle();
+}