10:06:09 Write to Excel2007 format<br />10:06:09 File written to 33chartcreate-column.xlsx<br />10:06:09 Peak memory usage: 4 MB<br />10:06:09 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />