15:39:22 Write to Excel2007 format<br />15:39:22 File written to 33chartcreate-bar.xlsx<br />15:39:22 Peak memory usage: 4 MB<br />15:39:22 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />