03:10:01 Write to Excel2007 format<br />03:10:01 File written to 33chartcreate-column-2.xlsx<br />03:10:01 Peak memory usage: 4 MB<br />03:10:01 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />