18:44:36 Write to Excel2007 format<br />18:44:36 File written to 33chartcreate-bar-stacked.xlsx<br />18:44:36 Peak memory usage: 4 MB<br />18:44:36 Done writing file<br />File has been created in /home/lms/public_html/lmssambatech/vendor/phpoffice/phpexcel/Examples<br />