09:37:13 Write to Excel2007 format<br />09:37:13 File written to 33chartcreate-multiple-charts.xlsx<br />09:37:13 Peak memory usage: 1.75 MB<br />09:37:13 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />