23:31:01 Write to Excel2007 format<br />23:31:01 File written to 33chartcreate-bar-stacked.xlsx<br />23:31:01 Peak memory usage: 2 MB<br />23:31:01 Done writing file<br />File has been created in /var/www/html/elite-smart-tech/vendor/phpoffice/phpexcel/Examples<br />