19:08:24 Write to Excel2007 format<br />19:08:24 File written to 33chartcreate-column.xlsx<br />19:08:24 Peak memory usage: 4 MB<br />19:08:24 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />