21:53:01 Create new PHPExcel object<br />21:53:01 Set document properties<br />21:53:01 Add data<br />21:53:01 Set data validation<br />21:53:01 Write to Excel2007 format<br />21:53:01 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0412 seconds<br />21:53:01 Current memory usage: 6 MB<br />21:53:01 Peak memory usage: 6 MB<br />21:53:01 Done writing file<br />File has been created in /home/hktifuzy/public_html/invoices/vendor/turbo124/phpexcel/Examples<br />