11:20:45 Write to Excel2007 format<br />11:20:45 File written to 33chartcreate-bar-stacked.xlsx<br />11:20:45 Peak memory usage: 3.75 MB<br />11:20:45 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />