21:06:06 Write to Excel2007 format<br />21:06:06 File written to 33chartcreate-multiple-charts.xlsx<br />21:06:06 Peak memory usage: 6.5 MB<br />21:06:06 Done writing file<br />File has been created in /var/www/skav909/vendor/phpoffice/phpexcel/Examples<br />