18:41:49 Write to Excel2007 format<br />18:41:49 File written to 33chartcreate-column-2.xlsx<br />18:41:49 Peak memory usage: 6 MB<br />18:41:49 Done writing file<br />File has been created in /var/www/html/elite-bamban/vendor/phpoffice/phpexcel/Examples<br />