19:18:31 Write to Excel2007 format<br />19:18:31 File written to 33chartcreate-bar-stacked.xlsx<br />19:18:31 Peak memory usage: 4 MB<br />19:18:31 Done writing file<br />File has been created in /home/webiprobgm/vgeintranetrecette/library/PHPExcel/Examples<br />