From 59d2b7a4a14b3b7d9d3a6bf9f94554a83598e163 Mon Sep 17 00:00:00 2001
From: Jack <jmilgate@turnitin.com>
Date: Tue, 6 Aug 2024 14:11:53 +0100
Subject: [PATCH] Add null check in data dump

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

diff --git a/settings_extras.php b/settings_extras.php
index dee67e30..182bf23b 100644
--- a/settings_extras.php
+++ b/settings_extras.php
@@ -111,7 +111,7 @@
                     $datarow = get_object_vars($datarow);
                     $output .= "|";
                     foreach ($datarow as $datacell) {
-                        $output .= ' '.htmlspecialchars(str_pad(substr($datacell, 0, $columnwidth), $columnwidth, " ", 1)).'|';
+                        $output .= ' '.htmlspecialchars(str_pad(substr($datacell ?? '', 0, $columnwidth), $columnwidth, " ", 1)).'|';
                     }
                     if ($table == 'turnitintooltwo_users' && $moodleusers[$datarow['userid']]) {
                         $firstname = format_string($moodleusers[$datarow['userid']]->firstname);