10:25:01 Write to Excel2007 format<br />10:25:01 File written to 33chartcreate-column-2.xlsx<br />10:25:01 Peak memory usage: 6.25 MB<br />10:25:01 Done writing file<br />File has been created in /var/www/spstest/vendor/phpoffice/phpexcel/Examples<br />