17:28:07 Write to Excel2007 format<br />17:28:07 File written to 33chartcreate-bar-stacked.xlsx<br />17:28:07 Peak memory usage: 5.5 MB<br />17:28:07 Done writing file<br />File has been created in /home/rrhhutem/public_html/idp-4g/vendor/phpoffice/phpexcel/Examples<br />