18:39:41 Write to Excel2007 format<br />18:39:41 File written to 33chartcreate-area.xlsx<br />18:39:41 Peak memory usage: 2 MB<br />18:39:41 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />