21:52:55 Write to Excel2007 format<br />21:52:55 File written to 33chartcreate-multiple-charts.xlsx<br />21:52:55 Peak memory usage: 4 MB<br />21:52:55 Done writing file<br />File has been created in /home/hktifuzy/public_html/invoices/vendor/turbo124/phpexcel/Examples<br />