19:50:02 Write to Excel2007 format<br />19:50:02 File written to 33chartcreate-column-2.xlsx<br />19:50:02 Peak memory usage: 5.5 MB<br />19:50:02 Done writing file<br />File has been created in /home/rrhhutem/public_html/let-4e/vendor/phpoffice/phpexcel/Examples<br />