21:40:05 Write to Excel2007 format<br />21:40:05 File written to 33chartcreate-column.xlsx<br />21:40:05 Peak memory usage: 6 MB<br />21:40:05 Done writing file<br />File has been created in /home/unidemmx/public_html/UNIDEM/vendor/phpoffice/phpexcel/Examples<br />