01:01:38 Write to Excel2007 format<br />01:01:38 File written to 33chartcreate-multiple-charts.xlsx<br />01:01:38 Peak memory usage: 2 MB<br />01:01:38 Done writing file<br />File has been created in /var/www/html/advancia_ci/vendor/phpoffice/phpexcel/Examples<br />