13:57:57 Write to Excel2007 format<br />13:57:57 File written to 33chartcreate-column-2.xlsx<br />13:57:57 Peak memory usage: 2 MB<br />13:57:57 Done writing file<br />File has been created in /var/www/html/unhlsims/vendor/phpoffice/phpexcel/Examples<br />