06:21:28 Create new PHPExcel object<br />06:21:28 Set document properties<br />06:21:28 Add data<br />06:21:28 Set data validation<br />06:21:28 Write to Excel2007 format<br />06:21:28 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0456 seconds<br />06:21:28 Current memory usage: 5.75 MB<br />06:21:28 Peak memory usage: 5.75 MB<br />06:21:28 Done writing file<br />File has been created in D:\wwwroot\dorm\vendor\phpoffice\phpexcel\Examples<br />