[UI] Fix a small typo

lib/ui/widget.php

@@ -1,34 +1,31 @@
 <?php
+// This file is part of GNU social - https://www.gnu.org/software/social
+//
+// GNU social is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// GNU social is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.
+
 /**
- * StatusNet, the distributed open-source microblogging tool
- *
  * Base class for UI widgets
  *
- * PHP version 5
- *
- * LICENCE: This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
  * @category  Widget
- * @package   StatusNet
+ * @package   GNUsocial
  * @author    Evan Prodromou <evan@status.net>
  * @author    Sarven Capadisli <csarven@status.net>
- * @copyright 2009 StatusNet, Inc.
+ * @copyright 2009-2019 Free Software Foundation, Inc http://www.fsf.org
- * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
- * @link      http://status.net/
  */
 
-if (!defined('GNUSOCIAL')) { exit(1); }
+defined('GNUSOCIAL') || die();
 
 /**
  * Base class for UI widgets
@@ -38,11 +35,10 @@ if (!defined('GNUSOCIAL')) { exit(1); }
  * lists, notice lists, navigation menus (tabsets) and common forms.
  *
  * @category  Widget
- * @package  StatusNet
+ * @package   GNUsocial
  * @author    Evan Prodromou <evan@status.net>
  * @author    Sarven Capadisli <csarven@status.net>
- * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
- * @link     http://status.net/
  *
  * @see       HTMLOutputter
  */
@@ -55,7 +51,7 @@ class Widget
      * Action (HTMLOutputter) to use for output
      */
 
-    var $out = null;
+    public $out = null;
 
     /**
      * Prepare the widget for use
@@ -63,7 +59,7 @@ class Widget
      * @param Action $out output helper, defaults to null
      * @param array $widgetOpts
      */
-    function __construct(Action $out = null, array $widgetOpts = [])
+    public function __construct(?Action $out = null, array $widgetOpts = [])
     {
         $this->out = $out;
         if (!array_key_exists('scoped', $widgetOpts)) {
@@ -80,7 +76,7 @@ class Widget
      * @return void
      */
 
-    function show()
+    public function show()
     {
     }
 
@@ -92,7 +88,7 @@ class Widget
      * @return HTMLOutputter the output helper
      */
 
-    function getOut()
+    public function getOut()
     {
         return $this->out;
     }
@@ -105,7 +101,7 @@ class Widget
      *
      * @return mixed Return value of the method.
      */
-    function __call($name, $arguments)
+    public function __call($name, $arguments)
     {
         return call_user_func_array(array($this->out, $name), $arguments);
     }