07:50:09 Write to Excel2007 format<br />07:50:09 File written to 33chartcreate-bar-stacked.xlsx<br />07:50:09 Peak memory usage: 6 MB<br />07:50:09 Done writing file<br />File has been created in /home/corpubc/public_html/SistemUBC/vendor/phpoffice/phpexcel/Examples<br />