15:31:31 Write to Excel2007 format<br />15:31:31 File written to 33chartcreate-bar-stacked.xlsx<br />15:31:31 Peak memory usage: 2 MB<br />15:31:31 Done writing file<br />File has been created in /home/poslovi/racuni.herkules.rs/ninja/vendor/phpoffice/phpexcel/Examples<br />