From 8c3ce4f9388ae14ca25d7157e2797e93c2238675 Mon Sep 17 00:00:00 2001
From: Mark Baker <mark@lange.demon.co.uk>
Date: Thu, 28 Oct 2010 16:50:52 +0000
Subject: [PATCH] Minor performance tweak

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@62922 2327b42d-5241-43d6-9e2a-de5ac946f064
---
 Classes/PHPExcel/Worksheet.php               | 2 +-
 Classes/PHPExcel/Writer/Excel5/Worksheet.php | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/Classes/PHPExcel/Worksheet.php b/Classes/PHPExcel/Worksheet.php
index 44a9577..810bdb4 100644
--- a/Classes/PHPExcel/Worksheet.php
+++ b/Classes/PHPExcel/Worksheet.php
@@ -430,7 +430,7 @@ class PHPExcel_Worksheet implements PHPExcel_IComparable
 	{
 		if (!is_null($this->_cellCollection)) {
 			return $this->_cellCollection->getSortedCellList();
-			}
+		}
 		return array();
 	}
 
diff --git a/Classes/PHPExcel/Writer/Excel5/Worksheet.php b/Classes/PHPExcel/Writer/Excel5/Worksheet.php
index 51a158b..3532281 100644
--- a/Classes/PHPExcel/Writer/Excel5/Worksheet.php
+++ b/Classes/PHPExcel/Writer/Excel5/Worksheet.php
@@ -248,8 +248,7 @@ class PHPExcel_Writer_Excel5_Worksheet extends PHPExcel_Writer_Excel5_BIFFwriter
 		$this->_lastColumnIndex  = -1;
 
 		foreach ($this->_phpSheet->getCellCollection(false) as $cellID) {
-			preg_match('/^(\w+)(\d+)$/U',$cellID,$matches);
-			list(,$col,$row) = $matches;
+			list($col,$row) = sscanf($cellID,'%[A-Z]%d');
 			$column = PHPExcel_Cell::columnIndexFromString($col) - 1;
 
 			// Don't break Excel!