From 4009cc68b81d6a3a5f822cd8cf89e2b168393110 Mon Sep 17 00:00:00 2001
From: KONE SOREL <skone@ebene.info>
Date: Fri, 27 Mar 2026 20:34:48 +0000
Subject: [PATCH] xz

---
 PHPExcel/PHPExcel/ReferenceHelper.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/PHPExcel/PHPExcel/ReferenceHelper.php b/PHPExcel/PHPExcel/ReferenceHelper.php
index 7d7de93..bdede77 100755
--- a/PHPExcel/PHPExcel/ReferenceHelper.php
+++ b/PHPExcel/PHPExcel/ReferenceHelper.php
@@ -881,8 +881,8 @@ class PHPExcel_ReferenceHelper
             list($newColumn, $newRow) = PHPExcel_Cell::coordinateFromString($pCellReference);
 
             // Verify which parts should be updated
-            $updateColumn = (($newColumn{0} != '$') && ($beforeColumn{0} != '$') && (PHPExcel_Cell::columnIndexFromString($newColumn) >= PHPExcel_Cell::columnIndexFromString($beforeColumn)));
-            $updateRow = (($newRow{0} != '$') && ($beforeRow{0} != '$') && $newRow >= $beforeRow);
+            $updateColumn = (($newColumn[0] != '$') && ($beforeColumn[0] != '$') && (PHPExcel_Cell::columnIndexFromString($newColumn) >= PHPExcel_Cell::columnIndexFromString($beforeColumn)));
+            $updateRow = (($newRow[0] != '$') && ($beforeRow[0] != '$') && $newRow >= $beforeRow);
 
             // Create new column reference
             if ($updateColumn) {