17:37:51 Write to Excel2007 format<br />17:37:51 File written to 33chartcreate-bar.xlsx<br />17:37:51 Peak memory usage: 6 MB<br />17:37:51 Done writing file<br />File has been created in /home/kolenggf/public_html/chamilo/vendor/phpoffice/phpexcel/Examples<br />