18:12:05 Write to Excel2007 format<br />18:12:06 File written to 33chartcreate-multiple-charts.xlsx<br />18:12:06 Peak memory usage: 4 MB<br />18:12:06 Done writing file<br />File has been created in /var/www/html/Quetzal/vendor/phpoffice/phpexcel/Examples<br />