00:21:59 Write to Excel2007 format<br />00:21:59 File written to 33chartcreate-column.xlsx<br />00:21:59 Peak memory usage: 2 MB<br />00:21:59 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />