17:46:02 Write to Excel2007 format<br />17:46:02 File written to 33chartcreate-bar-stacked.xlsx<br />17:46:02 Peak memory usage: 6 MB<br />17:46:02 Done writing file<br />File has been created in /var/www/html/IDEE/vendor/phpoffice/phpexcel/Examples<br />