Minor - check correct id value

8 years ago · 2afd68edc7
parent c12cafe270
commit 2afd68edc7
1 changed files with 5 additions and 1 deletions
--- a/main/gradebook/lib/be/exerciselink.class.php
+++ b/main/gradebook/lib/be/exerciselink.class.php
@ -184,7 +184,11 @@ class ExerciseLink extends AbstractLink
        $sessionId = $this->get_session_id();
        $courseId = $this->getCourseId();
        $exerciseData = $this->get_exercise_data();
-        $exerciseId = $exerciseData['id'];
+        $exerciseId = isset($exerciseData['id']) ? $exerciseData['id'] : 0;
+
+        if (empty($exerciseId)) {
+            return null;
+        }
        $exercise = new Exercise($courseId);
        $exercise->read($exerciseData['id']);