23:39:41 Write to Excel2007 format<br />23:39:41 File written to 33chartcreate-multiple-charts.xlsx<br />23:39:41 Peak memory usage: 6.5 MB<br />23:39:41 Done writing file<br />File has been created in /var/www/html/demobehappy/mbinv/vendor/phpoffice/phpexcel/Examples<br />