18:17:02 Write to Excel2007 format<br />18:17:02 File written to 33chartcreate-bar-stacked.xlsx<br />18:17:02 Peak memory usage: 6 MB<br />18:17:02 Done writing file<br />File has been created in /home/sgscofia/public_html/sgscofia/vendor/phpoffice/phpexcel/Examples<br />