19:00:31 Write to Excel2007 format<br />19:00:31 File written to 33chartcreate-multiple-charts.xlsx<br />19:00:31 Peak memory usage: 4 MB<br />19:00:31 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />