19:15:06 Create new PHPExcel object<br />19:15:06 Set document properties<br />19:15:06 Add data<br />19:15:06 Set data validation<br />19:15:06 Write to Excel2007 format<br />19:15:06 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0186 seconds<br />19:15:06 Current memory usage: 6 MB<br />19:15:06 Peak memory usage: 6 MB<br />19:15:06 Done writing file<br />File has been created in /home/hktifuzy/public_html/invoices/vendor/turbo124/phpexcel/Examples<br />