From e043cf3e243a508a3c777b138c02a212a18ce423 Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Tue, 3 May 2022 13:22:43 +0200
Subject: [PATCH] Eliminate loop in `trimSheetFromCellReference()` method

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

diff --git a/src/PhpSpreadsheet/Calculation/Functions.php b/src/PhpSpreadsheet/Calculation/Functions.php
index dc6ee82e..8075811f 100644
--- a/src/PhpSpreadsheet/Calculation/Functions.php
+++ b/src/PhpSpreadsheet/Calculation/Functions.php
@@ -705,8 +705,8 @@ class Functions
 
     public static function trimSheetFromCellReference(string $coordinate): string
     {
-        while (strpos($coordinate, '!') !== false) {
-            $coordinate = substr($coordinate, strpos($coordinate, '!') + 1);
+        if (strpos($coordinate, '!') !== false) {
+            $coordinate = substr($coordinate, strrpos($coordinate, '!') + 1);
         }
 
         return $coordinate;