10:51:11 Write to Excel2007 format<br />10:51:11 File written to 33chartcreate-column-2.xlsx<br />10:51:11 Peak memory usage: 4 MB<br />10:51:11 Done writing file<br />File has been created in /var/www/html/Quetzal/vendor/phpoffice/phpexcel/Examples<br />