12:17:55 Write to Excel2007 format<br />12:17:55 File written to 33chartcreate-multiple-charts.xlsx<br />12:17:55 Peak memory usage: 7.25 MB<br />12:17:55 Done writing file<br />File has been created in D:\wamp2.5\www\biochemgroup.net\System\Extend\Vendor\PHPExcel\Examples<br />