From dcd2823a73e3e64bf625962e705557bac0c3a12f Mon Sep 17 00:00:00 2001
From: Thomas Gelf <thomas@gelf.net>
Date: Mon, 29 Feb 2016 18:29:58 +0100
Subject: [PATCH] ExtensibleSet: do not render empty arrays

---
 library/Director/IcingaConfig/ExtensibleSet.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/Director/IcingaConfig/ExtensibleSet.php b/library/Director/IcingaConfig/ExtensibleSet.php
index d5a5e36d..b68f0459 100644
--- a/library/Director/IcingaConfig/ExtensibleSet.php
+++ b/library/Director/IcingaConfig/ExtensibleSet.php
@@ -120,6 +120,10 @@ class ExtensibleSet
         }
 
         foreach ($byBehaviour as $method => &$values) {
+            if (empty($values)) {
+                continue;
+            }
+
             sort($values);
             $this->$method($values);
         }