From 0692a55fa4312285ff867e080e25d2a3ddaa9936 Mon Sep 17 00:00:00 2001
From: DE TROOSTEMBERGH Antoine <Antoine.DE-TROOSTEMBERGH@ext.ec.europa.eu>
Date: Thu, 15 Apr 2021 21:19:38 +0200
Subject: [PATCH] checkstyle fixes

---
 src/PhpWord/Writer/Word2007/Part/Chart.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/PhpWord/Writer/Word2007/Part/Chart.php b/src/PhpWord/Writer/Word2007/Part/Chart.php
index b01dd794..5e9043ca 100644
--- a/src/PhpWord/Writer/Word2007/Part/Chart.php
+++ b/src/PhpWord/Writer/Word2007/Part/Chart.php
@@ -188,7 +188,8 @@ class Chart extends AbstractPart
         // Series
         $this->writeSeries($xmlWriter, isset($this->options['scatter']));
 
-        if(!isset($this->options['grouping']) OR $this->options['grouping'] != 'clustered'){
+        // don't overlap if grouping is 'clustered'
+        if (!isset($this->options['grouping']) || $this->options['grouping'] != 'clustered') {
             $xmlWriter->writeElementBlock('c:overlap', 'val', '100');
         }