22:04:15 Write to Excel2007 format<br />22:04:15 File written to 33chartcreate-column.xlsx<br />22:04:15 Peak memory usage: 6.5 MB<br />22:04:15 Done writing file<br />File has been created in /var/www/dolphinJuly25/dolphin/vendor/phpoffice/phpexcel/Examples<br />