20:24:06 Write to Excel2007 format<br />20:24:06 File written to 33chartcreate-column.xlsx<br />20:24:06 Peak memory usage: 7.75 MB<br />20:24:06 Done writing file<br />File has been created in /var/www/html/lmsold/vendor/phpoffice/phpexcel/Examples<br />