15:55:56 Write to Excel2007 format<br />15:55:56 File written to 33chartcreate-column.xlsx<br />15:55:56 Peak memory usage: 5.75 MB<br />15:55:56 Done writing file<br />File has been created in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples<br />