15:31:16 Create new PHPExcel object<br />15:31:16 Set document properties<br />15:31:16 Add data<br />15:31:16 Set data validation<br />15:31:16 Write to Excel2007 format<br />15:31:16 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0454 seconds<br />15:31:16 Current memory usage: 5.75 MB<br />15:31:16 Peak memory usage: 5.75 MB<br />15:31:16 Done writing file<br />File has been created in D:\wwwroot\jzg\vendor\phpoffice\phpexcel\Examples<br />