Fixed array access with unknown key (see #14)

system/modules/DirectContentElements/config/config.php

@@ -2,7 +2,7 @@
 
 /**
  * Contao Open Source CMS
- * Copyright (C) 2005-2019 Leo Feyer
+ * Copyright (C) 2005-2023 Leo Feyer
  *
  * Formerly known as TYPOlight Open Source CMS.
  *
@@ -21,7 +21,7 @@
  * Software Foundation website at <http://www.gnu.org/licenses/>.
  *
  * PHP version 5
- * @copyright  Cliff Parnitzky 2014-2019
+ * @copyright  Cliff Parnitzky 2014-2023
  * @author     Cliff Parnitzky
  * @package    DirectContentElements
  * @license    LGPL
@@ -36,7 +36,7 @@
   'tables' => array('tl_direct_content_elements_articles')
 );
 
-if(TL_MODE == 'BE' && $_GET['do'] == 'directContentElementsArticles' && $_GET['act'] == 'editAll' && $_GET['fields'] == null)
+if (TL_MODE == 'BE' && Input::get('do') == 'directContentElementsArticles' && Input::get('act') == 'editAll' && Input::get('fields') == null)
 {
   \Controller::redirect(str_replace('do=directContentElementsArticles', 'do=article&amp;table=tl_content', \Environment::get('request')));
 }
@@ -51,7 +51,7 @@
     'tables' => array('tl_direct_content_elements_events')
   );
 
-  if(TL_MODE == 'BE' && $_GET['do'] == 'directContentElementsEvents' && $_GET['act'] == 'editAll' && $_GET['fields'] == null)
+  if (TL_MODE == 'BE' && Input::get('do') == 'directContentElementsEvents' && Input::get('act') == 'editAll' && Input::get('fields') == null)
   {
     \Controller::redirect(str_replace('do=directContentElementsEvents', 'do=calendar&amp;table=tl_content', \Environment::get('request')));
   }
@@ -65,7 +65,7 @@
     'tables' => array('tl_direct_content_elements_news')
   );
 
-  if(TL_MODE == 'BE' && $_GET['do'] == 'directContentElementsNews' && $_GET['act'] == 'editAll' && $_GET['fields'] == null)
+  if (TL_MODE == 'BE' && Input::get('do') == 'directContentElementsNews' && Input::get('act') == 'editAll' && Input::get('fields') == null)
   {
     \Controller::redirect(str_replace('do=directContentElementsNews', 'do=news&amp;table=tl_content', \Environment::get('request')));
   }