From 0f92d9bb08e7708502aecf50e954c7af9a58e241 Mon Sep 17 00:00:00 2001
From: "Marco A. Nina Mena" <marco.antonio.nina@processmaker.coma>
Date: Tue, 14 Mar 2017 09:24:19 -0400
Subject: [PATCH] HOR-2849 array_key_exists() expects parameter 2 in
 class.case.php

- add validation in array
---
 workflow/engine/classes/class.case.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/workflow/engine/classes/class.case.php b/workflow/engine/classes/class.case.php
index c42634620..2f449aef2 100644
--- a/workflow/engine/classes/class.case.php
+++ b/workflow/engine/classes/class.case.php
@@ -819,7 +819,7 @@ class Cases
     {
         $aReturn = array();
         foreach ($aArray1 as $mKey => $mValue) {
-            if (array_key_exists($mKey, $aArray2)) {
+            if (is_array($aArray2) && array_key_exists($mKey, $aArray2)) {
                 if (is_array($mValue)) {
                     $aRecursiveDiff = $this->arrayRecursiveDiff($mValue, $aArray2[$mKey]);
                     if (count($aRecursiveDiff)) {