01:28:43 Write to Excel2007 format<br />01:28:43 File written to 33chartcreate-column.xlsx<br />01:28:43 Peak memory usage: 2 MB<br />01:28:43 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />