20:20:47 Write to Excel2007 format<br />20:20:47 File written to 33chartcreate-column.xlsx<br />20:20:47 Peak memory usage: 6 MB<br />20:20:47 Done writing file<br />File has been created in /var/www/html/elite-matungao/vendor/phpoffice/phpexcel/Examples<br />