17:39:45 Write to Excel2007 format<br />17:39:45 File written to 33chartcreate-multiple-charts.xlsx<br />17:39:45 Peak memory usage: 4 MB<br />17:39:45 Done writing file<br />File has been created in /home/millesimwc/www/cnfce/vendor/phpoffice/phpexcel/Examples<br />