From 95e4341d2836415740c2b43203d5b13b8eeffbb7 Mon Sep 17 00:00:00 2001
From: Isaac Connor <isaac@zoneminder.com>
Date: Thu, 12 Jul 2018 14:05:43 -0400
Subject: [PATCH] test for existence of DiskSpace in array

---
 web/includes/Event.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/web/includes/Event.php b/web/includes/Event.php
index d7ce25dc4..18adff226 100644
--- a/web/includes/Event.php
+++ b/web/includes/Event.php
@@ -246,7 +246,7 @@ class Event {
     if ( is_null($new) or ( $new != '' ) ) {
       $this->{'DiskSpace'} = $new;
     }
-    if ( null === $this->{'DiskSpace'} ) {
+    if ( (!array_key_exists('DiskSpace',$this)) or (null === $this->{'DiskSpace'}) ) {
       $this->{'DiskSpace'} = folder_size($this->Path());
       dbQuery('UPDATE Events SET DiskSpace=? WHERE Id=?', array($this->{'DiskSpace'}, $this->{'Id'}));
     }