09:30:20 Write to Excel2007 format<br />09:30:20 File written to 33chartcreate-multiple-charts.xlsx<br />09:30:20 Peak memory usage: 2 MB<br />09:30:20 Done writing file<br />File has been created in /home/clegatconh/backoffice/ninja/vendor/phpoffice/phpexcel/Examples<br />