12:56:09 Write to Excel2007 format<br />12:56:09 File written to 33chartcreate-bar-stacked.xlsx<br />12:56:09 Peak memory usage: 4 MB<br />12:56:09 Done writing file<br />File has been created in /home/webiprobgm/vgeintranet/library/PHPExcel/Examples<br />