20:16:15 Write to Excel2007 format<br />20:16:15 File written to 33chartcreate-column.xlsx<br />20:16:15 Peak memory usage: 1 MB<br />20:16:15 Done writing file<br />File has been created in /home/abpwebfrnh/www/test/vendor/phpoffice/phpexcel/Examples<br />