11:26:07 Write to Excel2007 format<br />11:26:07 File written to 33chartcreate-multiple-charts.xlsx<br />11:26:07 Peak memory usage: 2 MB<br />11:26:07 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />