04:21:40 Write to Excel2007 format<br />04:21:40 File written to 33chartcreate-multiple-charts.xlsx<br />04:21:40 Peak memory usage: 2 MB<br />04:21:40 Done writing file<br />File has been created in /var/www/html/unhlsims/vendor/phpoffice/phpexcel/Examples<br />