Minor - fix php warning

7 years ago · 0e76318206
parent f6cb14b3b3
commit 0e76318206
1 changed files with 1 additions and 1 deletions
--- a/main/survey/preview.php
+++ b/main/survey/preview.php
@ -203,7 +203,7 @@ if (api_is_course_admin() ||
    }

    $before = 0;
-    if (isset($paged_questions[$_GET['show'] -1])) {
+    if (isset($_GET['show']) && isset($paged_questions[$_GET['show'] -1])) {
        $before = count($paged_questions[$_GET['show'] -1]);
    }