Minor - check if empty

src/Chamilo/UserBundle/Repository/UserRepository.php

@@ -1216,13 +1216,14 @@ class UserRepository extends EntityRepository
         $user->setCurriculumItems([]);
 
         $portals = $user->getPortals();
-
+        if (!empty($portals)) {
             $list = [];
             /** @var AccessUrlRelUser $portal */
             foreach ($portals as $portal) {
                 $portalInfo = \UrlManager::get_url_data_from_id($portal->getAccessUrlId());
                 $list[] = $portalInfo['url'];
             }
+        }
         $user->setPortals($list);
 
         $coachList = $user->getSessionAsGeneralCoach();