From 23e19a2d47da150aa138ab462cfa7684418e3b7c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Mourey?= <s+github@stephanemourey.fr>
Date: Mon, 12 Sep 2016 16:43:21 +0200
Subject: [PATCH] Fix division by zero

See #886
---
 src/PhpWord/Writer/ODText/Style/Paragraph.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/PhpWord/Writer/ODText/Style/Paragraph.php b/src/PhpWord/Writer/ODText/Style/Paragraph.php
index 1d821810..494142d7 100644
--- a/src/PhpWord/Writer/ODText/Style/Paragraph.php
+++ b/src/PhpWord/Writer/ODText/Style/Paragraph.php
@@ -37,8 +37,8 @@ class Paragraph extends AbstractStyle
         }
         $xmlWriter = $this->getXmlWriter();
 
-        $marginTop = is_null($style->getSpaceBefore()) ? '0' : round(17.6 / $style->getSpaceBefore(), 2);
-        $marginBottom = is_null($style->getSpaceAfter()) ? '0' : round(17.6 / $style->getSpaceAfter(), 2);
+        $marginTop = ($style->getSpaceBefore()==0) ? '0' : round(17.6 / $style->getSpaceBefore(), 2);
+        $marginBottom = ($style->getSpaceAfter()==0) ? '0' : round(17.6 / $style->getSpaceAfter(), 2);
 
         $xmlWriter->startElement('style:style');
         $xmlWriter->writeAttribute('style:name', $style->getStyleName());