20:12:43 Write to Excel2007 format<br />20:12:43 File written to 33chartcreate-column-2.xlsx<br />20:12:43 Peak memory usage: 4 MB<br />20:12:43 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />