23:21:57 Write to Excel2007 format<br />23:21:57 File written to 33chartcreate-multiple-charts.xlsx<br />23:21:57 Peak memory usage: 4 MB<br />23:21:57 Done writing file<br />File has been created in /home/webiprobgm/vgeintranetrecette/library/PHPExcel/Examples<br />