21:24:40 Write to Excel2007 format<br />21:24:40 File written to 33chartcreate-bar-stacked.xlsx<br />21:24:40 Peak memory usage: 2 MB<br />21:24:40 Done writing file<br />File has been created in /home/myitalianu/itdepartment/vendor/phpoffice/phpexcel/Examples<br />