Minor: Fix division by zero warning in course tracking page

4 years ago · d42d7a6871
parent 2220dc5748
commit d42d7a6871
1 changed files with 5 additions and 1 deletions
--- a/main/tracking/courseLog.php
+++ b/main/tracking/courseLog.php
@ -903,7 +903,11 @@ if (!empty($groupList)) {
        $sessionId
    );
    $time = api_time_to_hms($timeInSeconds);
-    $averageTime = api_time_to_hms($timeInSeconds / $nbStudents);
+    if (empty($nbStudents)) {
+        $averageTime = api_time_to_hms($timeInSeconds);
+    } else {
+        $averageTime = api_time_to_hms($timeInSeconds / $nbStudents);
+    }
    $totalLpProgress = 0;
    foreach ($studentIdList as $studentId) {
        $lpProgress = Tracking::get_avg_student_progress(