15:01:49 Write to Excel2007 format<br />15:01:49 File written to 33chartcreate-bar-stacked.xlsx<br />15:01:49 Peak memory usage: 3.75 MB<br />15:01:49 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />