From 515928b8e2da0e46dcb6b7375579c45ba973d98f Mon Sep 17 00:00:00 2001
From: Gordon Anderson <gordon.b.anderson@gmail.com>
Date: Wed, 24 Feb 2016 22:01:24 +0700
Subject: [PATCH] FIX: Ensure tag cloud widget does not break when there are
 zero tags

---
 code/widgets/BlogTagsCloudWidget.php | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/code/widgets/BlogTagsCloudWidget.php b/code/widgets/BlogTagsCloudWidget.php
index 550e9f3..7f81e3e 100644
--- a/code/widgets/BlogTagsCloudWidget.php
+++ b/code/widgets/BlogTagsCloudWidget.php
@@ -90,12 +90,15 @@ class BlogTagsCloudWidget extends Widget
             }
 
             // normalize the tag counts from 1 to 10
-            $tagfactor = 10 / $maxTagCount;
-            foreach ($tags->getIterator() as $tag) {
-                $normalized = round($tagfactor * ($tag->TagCount));
-                $tag->NormalizedTag = $normalized;
+            if ($maxTagCount) {
+                $tagfactor = 10 / $maxTagCount;
+                foreach ($tags->getIterator() as $tag) {
+                    $normalized = round($tagfactor * ($tag->TagCount));
+                    $tag->NormalizedTag = $normalized;
+                }
             }
 
+
             return $tags;
         }