From 881267d829a162612a66f0364e33be1d37b7329b Mon Sep 17 00:00:00 2001
From: "Alexander A. Klimov" <alexander.klimov@netways.de>
Date: Fri, 29 Apr 2016 10:33:26 +0200
Subject: [PATCH] =?UTF-8?q?ThresholdRange::fromString():=20default=20to=20?=
 =?UTF-8?q?-=E2=88=9E:=E2=88=9E?=
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refs #8194
---
 modules/monitoring/library/Monitoring/Plugin/Perfdata.php   | 4 ++--
 .../monitoring/library/Monitoring/Plugin/ThresholdRange.php | 6 +++++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/modules/monitoring/library/Monitoring/Plugin/Perfdata.php b/modules/monitoring/library/Monitoring/Plugin/Perfdata.php
index 559e2a703..6c2d89a72 100644
--- a/modules/monitoring/library/Monitoring/Plugin/Perfdata.php
+++ b/modules/monitoring/library/Monitoring/Plugin/Perfdata.php
@@ -323,14 +323,14 @@ class Perfdata
             case 3:
                 $this->rawCriticalThreshold = trim($parts[2]);
                 $this->criticalThreshold = self::convert(
-                    ThresholdRange::fromString($this->rawCriticalThreshold ?: '~:'),
+                    ThresholdRange::fromString($this->rawCriticalThreshold),
                     $this->unit
                 );
                 // Fallthrough
             case 2:
                 $this->rawWarningThreshold = trim($parts[1]);
                 $this->warningThreshold = self::convert(
-                    ThresholdRange::fromString($this->rawWarningThreshold ?: '~:'),
+                    ThresholdRange::fromString($this->rawWarningThreshold),
                     $this->unit
                 );
         }
diff --git a/modules/monitoring/library/Monitoring/Plugin/ThresholdRange.php b/modules/monitoring/library/Monitoring/Plugin/ThresholdRange.php
index 26165c0e9..536dc8f7a 100644
--- a/modules/monitoring/library/Monitoring/Plugin/ThresholdRange.php
+++ b/modules/monitoring/library/Monitoring/Plugin/ThresholdRange.php
@@ -36,10 +36,14 @@ class ThresholdRange
      *
      * @return  ThresholdRange
      */
-    public static function fromString($rawRange)
+    public static function fromString($rawRange = '')
     {
         $range = new static();
 
+        if ($rawRange === '') {
+            return $range;
+        }
+
         $rawRange = ltrim($rawRange);
         if (substr($rawRange, 0, 1) === '@') {
             $range->setInverted();