08:06:28 Write to Excel2007 format<br />08:06:28 File written to 33chartcreate-bar-stacked.xlsx<br />08:06:28 Peak memory usage: 4 MB<br />08:06:28 Done writing file<br />File has been created in /var/www/html/preuc/vendor/phpoffice/phpexcel/Examples<br />