21:06:55 Write to Excel2007 format<br />21:06:55 File written to 33chartcreate-column-2.xlsx<br />21:06:55 Peak memory usage: 5.5 MB<br />21:06:55 Done writing file<br />File has been created in /home/rrhhutem/public_html/idp-3f/vendor/phpoffice/phpexcel/Examples<br />