15:44:39 Write to Excel2007 format<br />15:44:39 File written to 33chartcreate-bar-stacked.xlsx<br />15:44:39 Peak memory usage: 2 MB<br />15:44:39 Done writing file<br />File has been created in G:\myserver\www\shopee99\PHPExcel-1.8\Examples<br />