From fac1d6de14ee1724ab333bfa5e229712baccf3c3 Mon Sep 17 00:00:00 2001
From: Diego Souza <diegosouza.br@gmail.com>
Date: Sun, 22 Sep 2019 22:00:06 -0300
Subject: [PATCH] unnecessary string concatenation

---
 src/PhpSpreadsheet/Worksheet/Worksheet.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/PhpSpreadsheet/Worksheet/Worksheet.php b/src/PhpSpreadsheet/Worksheet/Worksheet.php
index e80f6e2c..3533d81a 100644
--- a/src/PhpSpreadsheet/Worksheet/Worksheet.php
+++ b/src/PhpSpreadsheet/Worksheet/Worksheet.php
@@ -690,7 +690,7 @@ class Worksheet implements IComparable
     public function calculateWorksheetDimension()
     {
         // Return
-        return 'A1' . ':' . $this->getHighestColumn() . $this->getHighestRow();
+        return 'A1:' . $this->getHighestColumn() . $this->getHighestRow();
     }
 
     /**
@@ -701,7 +701,7 @@ class Worksheet implements IComparable
     public function calculateWorksheetDataDimension()
     {
         // Return
-        return 'A1' . ':' . $this->getHighestDataColumn() . $this->getHighestDataRow();
+        return 'A1:' . $this->getHighestDataColumn() . $this->getHighestDataRow();
     }
 
     /**