20:24:05 Write to Excel2007 format<br />20:24:05 File written to 33chartcreate-column-2.xlsx<br />20:24:05 Peak memory usage: 7.75 MB<br />20:24:05 Done writing file<br />File has been created in /var/www/html/lmsold/vendor/phpoffice/phpexcel/Examples<br />