16:12:02 Write to Excel2007 format<br />16:12:02 File written to 33chartcreate-bar-stacked.xlsx<br />16:12:02 Peak memory usage: 2.5 MB<br />16:12:02 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />