20:07:05 Write to Excel2007 format<br />20:07:05 File written to 33chartcreate-multiple-charts.xlsx<br />20:07:05 Peak memory usage: 2 MB<br />20:07:05 Done writing file<br />File has been created in /var/www/html/petroerp3/vendor/phpoffice/phpexcel/Examples<br />