From 3d6af9511110813028edff6c02a9ca48215dc7de Mon Sep 17 00:00:00 2001
From: Riccardo Bicelli <r.bicelli@gmail.com>
Date: Mon, 18 Jan 2021 23:12:46 +0100
Subject: [PATCH] Fixed pfz_valuemap function

---
 pfsense_zbx.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/pfsense_zbx.php b/pfsense_zbx.php
index dc5b42c..7ffa472 100644
--- a/pfsense_zbx.php
+++ b/pfsense_zbx.php
@@ -808,9 +808,10 @@ function pfz_valuemap($valuename, $value, $default="0"){
 
      }
 
-     if (array_key_exists($value, $valuemap))
-          return $valuemap[$value];
-     
+     if (isset($valuemap)) {
+     	if (array_key_exists($value, $valuemap))
+          	return $valuemap[$value];
+     }
      return $default;
 }