21:18:12 Write to Excel2007 format<br />21:18:12 File written to 33chartcreate-pie.xlsx<br />21:18:12 Peak memory usage: 4 MB<br />21:18:12 Done writing file<br />File has been created in /var/www/billing.andrewpeng.net/vendor/turbo124/phpexcel/Examples<br />