11:31:23 Write to Excel2007 format<br />11:31:23 File written to 33chartcreate-bar-stacked.xlsx<br />11:31:23 Peak memory usage: 4 MB<br />11:31:23 Done writing file<br />File has been created in /home/millesimwc/www/cnfce/vendor/phpoffice/phpexcel/Examples<br />