19:19:26 Write to Excel2007 format<br />19:19:26 File written to 33chartcreate-multiple-charts.xlsx<br />19:19:26 Peak memory usage: 3.5 MB<br />19:19:26 Done writing file<br />File has been created in /var/www/provuna.com/banq/api/vendor/phpoffice/phpexcel/Examples<br />