From ce9eb2a16f01c333c73d06045cd66f5f6e0cd040 Mon Sep 17 00:00:00 2001
From: Dan Marsden <dan@danmarsden.com>
Date: Fri, 9 May 2014 13:55:09 +1200
Subject: [PATCH] remove php warning from report page when no sessions exist

---
 renderer.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/renderer.php b/renderer.php
index 6b7cdbf..cbfa0ab 100755
--- a/renderer.php
+++ b/renderer.php
@@ -816,7 +816,7 @@ class mod_attendance_renderer extends plugin_renderer_base {
             }
 
             if ($reportdata->sessionslog) {
-                if (isset($reportdata->sessionslog[$user->id][$sess->id]->remarks)) {
+                if (isset($sess) && isset($reportdata->sessionslog[$user->id][$sess->id]->remarks)) {
                     $row->cells[] = $reportdata->sessionslog[$user->id][$sess->id]->remarks;
                 } else {
                     $row->cells[] = '';