19:52:52 Write to Excel2007 format<br />19:52:52 File written to 33chartcreate-bar-stacked.xlsx<br />19:52:52 Peak memory usage: 4 MB<br />19:52:52 Done writing file<br />File has been created in /home/factovizjh/opinion-way.pl/vendor/phpoffice/phpexcel/Examples<br />