21:39:00 Write to Excel2007 format<br />21:39:00 File written to 33chartcreate-column-2.xlsx<br />21:39:00 Peak memory usage: 2 MB<br />21:39:00 Done writing file<br />File has been created in /var/www/html/Bimo/vendor/phpoffice/phpexcel/Examples<br />