21:15:56 Write to Excel2007 format<br />21:15:56 File written to 33chartcreate-column-2.xlsx<br />21:15:56 Peak memory usage: 4 MB<br />21:15:56 Done writing file<br />File has been created in /var/www/html/elite-caba/vendor/phpoffice/phpexcel/Examples<br />