18:22:22 Write to Excel2007 format<br />18:22:22 File written to 33chartcreate-column-2.xlsx<br />18:22:22 Peak memory usage: 3 MB<br />18:22:22 Done writing file<br />File has been created in /home/factovizjh/legitrack_test/vendor/phpoffice/phpexcel/Examples<br />