17:09:50 Write to Excel2007 format<br />17:09:50 File written to 33chartcreate-column.xlsx<br />17:09:50 Peak memory usage: 1.75 MB<br />17:09:50 Done writing file<br />File has been created in /var/www/html/national-parameters/vendor/phpoffice/phpexcel/Examples<br />