From 9f60c208ca1f7fc19da9ca4d03cdf748ee492107 Mon Sep 17 00:00:00 2001
From: wdammak <26695620+wdammak@users.noreply.github.com>
Date: Fri, 18 Jan 2019 22:25:51 +0100
Subject: [PATCH] Update stats.class.php

Fix div/0 warnings
---
 htdocs/core/class/stats.class.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/htdocs/core/class/stats.class.php b/htdocs/core/class/stats.class.php
index 1a58e14796a39..90986e7b6dad4 100644
--- a/htdocs/core/class/stats.class.php
+++ b/htdocs/core/class/stats.class.php
@@ -384,16 +384,16 @@ function _getAllByYear($sql)
 				$row = $this->db->fetch_object($resql);
 				$result[$i]['year'] = $row->year;
 				$result[$i]['nb'] = $row->nb;
-				if($i>0 && $row->nb) $result[$i-1]['nb_diff'] = ($result[$i-1]['nb'] - $row->nb) / $row->nb * 100;
+				if($i>0 && $row->nb>0) $result[$i-1]['nb_diff'] = ($result[$i-1]['nb'] - $row->nb) / $row->nb * 100;
 				$result[$i]['total'] = $row->total;
-				if($i>0 && $row->total) $result[$i-1]['total_diff'] = ($result[$i-1]['total'] - $row->total) / $row->total * 100;
+				if($i>0 && $row->total>0) $result[$i-1]['total_diff'] = ($result[$i-1]['total'] - $row->total) / $row->total * 100;
 				$result[$i]['avg'] = $row->avg;
-				if($i>0 && $row->avg) $result[$i-1]['avg_diff'] = ($result[$i-1]['avg'] - $row->avg) / $row->avg * 100;
+				if($i>0 && $row->avg>0) $result[$i-1]['avg_diff'] = ($result[$i-1]['avg'] - $row->avg) / $row->avg * 100;
 				// For some $sql only
 				if (isset($row->weighted))
 				{
 				    $result[$i]['weighted'] = $row->weighted;
-				    if($i>0 && $row->weighted) $result[$i-1]['avg_weighted'] = ($result[$i-1]['weighted'] - $row->weighted) / $row->weighted * 100;
+				    if($i>0 && $row->weighted>0) $result[$i-1]['avg_weighted'] = ($result[$i-1]['weighted'] - $row->weighted) / $row->weighted * 100;
 				}
 				$i++;
 			}