Skip recursive lookup if no modules are chosen from ILIAS #1615

Closes #1615

Merge request studip/studip!1040

lib/elearning/Ilias4ConnectedCMS.class.php

@@ -41,7 +41,8 @@ class Ilias4ConnectedCMS extends Ilias3ConnectedCMS
     }
 
     /**
-     * Helper function to fetch childs including objects in folders
+     * Helper function to fetch children including objects in folders
+     * The typo in the function name, 'childs', is intentional to reflect the name of the ILIAS-SOAP call.
      *
      * @access public
      * @param string $parent_id

lib/ilias_interface/ConnectedIlias.class.php

@@ -687,7 +687,8 @@ class ConnectedIlias
     }
 
     /**
-     * Helper function to fetch childs including objects in folders
+     * Helper function to fetch children including objects in folders
+     * The typo in the function name, 'childs', is intentional to reflect the name of the ILIAS-SOAP call.
      *
      * @access public
      * @param string $parent_id
@@ -695,6 +696,7 @@ class ConnectedIlias
      */
     public function getChilds($parent_id) {
         $types[] = 'fold';
+        if (isset($this->ilias_config['modules']) && $this->ilias_config['modules']) {
             foreach ($this->ilias_config['modules'] as $type => $name) {
                 $types[] = $type;
             }
@@ -712,12 +714,14 @@ class ConnectedIlias
                     }
                 }
             }
+        }
 
-        if (is_array($result))
+        if (isset($result) && is_array($result)) {
             return $result;
-            else
+        } else {
             return [];
         }
+    }
 
     /**
      * check connected modules and update connections