01:23:23 Create new PHPExcel object<br />01:23:23 Set document properties<br />01:23:23 Add data<br />01:23:23 Set data validation<br />01:23:23 Write to Excel2007 format<br />01:23:23 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0795 seconds<br />01:23:23 Current memory usage: 1 MB<br />01:23:23 Peak memory usage: 1 MB<br />01:23:23 Done writing file<br />File has been created in D:\abcd\ESSamp\ESSamp\wwwroot\2021BACK\PHPExcel\Examples<br />