From 2df71ab17ffc31d245aeb82d7c08c8c2d32eabb7 Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Thu, 19 Nov 2015 19:42:09 +0100
Subject: [PATCH] firewall/nat: fix a crash report

---
 src/www/firewall_nat.php | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/www/firewall_nat.php b/src/www/firewall_nat.php
index 6edb77075..0217c7e4a 100644
--- a/src/www/firewall_nat.php
+++ b/src/www/firewall_nat.php
@@ -33,7 +33,6 @@ require_once("guiconfig.inc");
 require_once("interfaces.inc");
 require_once("filter.inc");
 
-
 /****f* itemid/delete_id (duplicate to remove itemid.inc)
  * NAME
  *   delete_id - delete an item with ['id'] = $id from $array
@@ -43,12 +42,14 @@ require_once("filter.inc");
  * RESULT
  *   boolean   - true if item was found and deleted
  ******/
-function delete_id($id, &$array){
+function delete_id($id, &$array)
+{
     // Index to delete
     $delete_index = NULL;
 
-    if (!is_array($array))
+    if (!isset($array)) {
         return false;
+    }
 
     // Search for the item in the array
     foreach ($array as $key => $item){