21:12:06 Write to Excel2007 format<br />21:12:06 File written to 33chartcreate-bar-stacked.xlsx<br />21:12:06 Peak memory usage: 4 MB<br />21:12:06 Done writing file<br />File has been created in /home/lms/public_html/lmssambatech/vendor/phpoffice/phpexcel/Examples<br />