04:51:33 Write to Excel2007 format<br />04:51:33 File written to 33chartcreate-bar-stacked.xlsx<br />04:51:33 Peak memory usage: 6 MB<br />04:51:33 Done writing file<br />File has been created in /home/unidemmx/public_html/UNIDEM/vendor/phpoffice/phpexcel/Examples<br />