From a7196f8bc51a7430a274dec21c580fa855aabf18 Mon Sep 17 00:00:00 2001
From: root <root@localhost.localdomain>
Date: Thu, 17 Aug 2023 06:34:36 -0400
Subject: [PATCH] v2.16 - Fixed code type for detection of ACKNOWLEDGES
 information from event.get

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

diff --git a/mailGraph.php b/mailGraph.php
index e587072..936a614 100644
--- a/mailGraph.php
+++ b/mailGraph.php
@@ -871,7 +871,7 @@
     }
 
     // --- Collect and attach acknowledge messages for this event
-    if (sizeof($thisEvent['result'][0]['acknowledges']>0)) {
+    if (isset($thisEvent['result'][0]['acknowledges'])) {
         foreach($thisEvent['result'][0]['acknowledges'] as $aCount=>$anAck) {
             $mailData['ACKNOWLEDGES'][$aCount] = $anAck;
             $mailData['ACKNOWLEDGES'][$aCount]['_clock'] = zabbixTStoString($anAck['clock']);