From 5ab877958f3c224aeb83404593e5276df32e986c Mon Sep 17 00:00:00 2001
From: MarkBaker <mark@lange.demon.co.uk>
Date: Fri, 6 Jun 2014 23:56:57 +0100
Subject: [PATCH] Reduce memory usage after an xls load

---
 Classes/PHPExcel/Reader/Excel5.php | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Classes/PHPExcel/Reader/Excel5.php b/Classes/PHPExcel/Reader/Excel5.php
index 3e9b091b..97c3df3c 100644
--- a/Classes/PHPExcel/Reader/Excel5.php
+++ b/Classes/PHPExcel/Reader/Excel5.php
@@ -1089,6 +1089,7 @@ class PHPExcel_Reader_Excel5 extends PHPExcel_Reader_Abstract implements PHPExce
 				}
 			}
 		}
+        $this->_data = null;
 
 		return $this->_phpExcel;
 	}