21:05:51 Write to Excel2007 format<br />21:05:51 File written to 33chartcreate-column-2.xlsx<br />21:05:51 Peak memory usage: 4 MB<br />21:05:51 Done writing file<br />File has been created in /home/millesimwc/www/cnfce/vendor/phpoffice/phpexcel/Examples<br />