From 36135a4c05cda11a4d7f77971e15cf5dcc17ce91 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Sun, 14 Jul 2019 13:36:23 +0200
Subject: [PATCH] Use empty to check for empty array

---
 src/PhpSpreadsheet/Calculation/Statistical.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/PhpSpreadsheet/Calculation/Statistical.php b/src/PhpSpreadsheet/Calculation/Statistical.php
index 1a47a3a5..a7f7bb63 100644
--- a/src/PhpSpreadsheet/Calculation/Statistical.php
+++ b/src/PhpSpreadsheet/Calculation/Statistical.php
@@ -1155,7 +1155,7 @@ class Statistical
         // Return value
         $returnValue = 0;
 
-        if (!$arrayList) {
+        if (empty($arrayList)) {
             return $returnValue;
         }