18:50:23 Write to Excel2007 format<br />18:50:23 File written to 33chartcreate-bar-stacked.xlsx<br />18:50:23 Peak memory usage: 2 MB<br />18:50:23 Done writing file<br />File has been created in /var/www/php7.3/fed/vendor/phpoffice/phpexcel/Examples<br />