23:08:14 Write to Excel2007 format<br />23:08:14 File written to 33chartcreate-bar-stacked.xlsx<br />23:08:14 Peak memory usage: 3.75 MB<br />23:08:14 Done writing file<br />File has been created in /home/webiprobgm/vge/library/PHPExcel/Examples<br />