15:37:31 Write to Excel2007 format<br />15:37:31 File written to 33chartcreate-column-2.xlsx<br />15:37:31 Peak memory usage: 5.5 MB<br />15:37:31 Done writing file<br />File has been created in /home/rrhhutem/public_html/idp-4f/vendor/phpoffice/phpexcel/Examples<br />