10:00:26 Write to Excel2007 format<br />10:00:26 File written to 33chartcreate-multiple-charts.xlsx<br />10:00:26 Peak memory usage: 5.5 MB<br />10:00:26 Done writing file<br />File has been created in /home/rrhhutem/public_html/let-4f/vendor/phpoffice/phpexcel/Examples<br />