16:31:18 Write to Excel2007 format<br />16:31:18 File written to 33chartcreate-column.xlsx<br />16:31:18 Peak memory usage: 1.5 MB<br />16:31:18 Done writing file<br />File has been created in /var/www/consumer-experience/www/vendor/phpoffice/phpexcel/Examples<br />