23:20:49 Write to Excel2007 format<br />23:20:49 File written to 33chartcreate-column-2.xlsx<br />23:20:49 Peak memory usage: 4 MB<br />23:20:49 Done writing file<br />File has been created in /home/wtogroup/wtogroup.com/vendor/phpoffice/phpexcel/Examples<br />