21:21:45 Write to Excel2007 format<br />21:21:45 File written to 33chartcreate-column.xlsx<br />21:21:45 Peak memory usage: 1.5 MB<br />21:21:45 Done writing file<br />File has been created in /home/factovizjh/legitrack/vendor/phpoffice/phpexcel/Examples<br />