From bd82adc1f36634d195acc183862f79a86b4e1445 Mon Sep 17 00:00:00 2001
From: Mark Baker <mark@lange.demon.co.uk>
Date: Wed, 27 Oct 2010 10:39:53 +0000
Subject: [PATCH] Minor performance tweak... simple improvement to sorting the
 cell cache array

git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@62861 2327b42d-5241-43d6-9e2a-de5ac946f064
---
 Classes/PHPExcel/CachedObjectStorage/CacheBase.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Classes/PHPExcel/CachedObjectStorage/CacheBase.php b/Classes/PHPExcel/CachedObjectStorage/CacheBase.php
index 7372db28..5a47981d 100644
--- a/Classes/PHPExcel/CachedObjectStorage/CacheBase.php
+++ b/Classes/PHPExcel/CachedObjectStorage/CacheBase.php
@@ -140,9 +140,9 @@ class PHPExcel_CachedObjectStorage_CacheBase {
 	 */
 	public function getSortedCellList() {
 		$sortKeys = array();
-		foreach ($this->_cellCache as $coord => $value) {
-			list($colNum,$rowNum) = sscanf($coord,'%[A-Z]%d');
-			$sortKeys[sprintf('%09d%3s',$rowNum,$colNum)] = $coord;
+		foreach (array_keys($this->_cellCache) as $coord) {
+			list($column,$row) = sscanf($coord,'%[A-Z]%d');
+			$sortKeys[sprintf('%09d%3s',$row,$column)] = $coord;
 		}
 		ksort($sortKeys);