08:55:23 Write to Excel2007 format<br />08:55:23 File written to 33chartcreate-multiple-charts.xlsx<br />08:55:23 Peak memory usage: 2 MB<br />08:55:23 Done writing file<br />File has been created in /var/www/html/national-parameters/vendor/phpoffice/phpexcel/Examples<br />