15:20:16 Write to Excel2007 format<br />15:20:16 File written to 33chartcreate-bar-stacked.xlsx<br />15:20:16 Peak memory usage: 6 MB<br />15:20:16 Done writing file<br />File has been created in /home/realtori/public_html/taller2/vendor/phpoffice/phpexcel/Examples<br />