21:52:57 Write to Excel2007 format<br />21:52:57 File written to 33chartcreate-column-2.xlsx<br />21:52:57 Peak memory usage: 6 MB<br />21:52:57 Done writing file<br />File has been created in /home/hktifuzy/public_html/invoices/vendor/turbo124/phpexcel/Examples<br />