12:39:25 Write to Excel2007 format<br />12:39:25 File written to 33chartcreate-column.xlsx<br />12:39:25 Peak memory usage: 3.75 MB<br />12:39:25 Done writing file<br />File has been created in /home/factovizjh/dataviz/vendor/phpoffice/phpexcel/Examples<br />