01:37:54 Write to Excel2007 format<br />01:37:54 File written to 33chartcreate-bar-stacked.xlsx<br />01:37:54 Peak memory usage: 6 MB<br />01:37:54 Done writing file<br />File has been created in /home2/winposunlimited/webtest1.winposunlimited.com/vendor/phpoffice/phpexcel/Examples<br />