10:09:38 Create new PHPExcel object<br />10:09:38 Set document properties<br />10:09:38 Add data<br />10:09:38 Set data validation<br />10:09:38 Write to Excel2007 format<br />10:09:38 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0212 seconds<br />10:09:38 Current memory usage: 3.75 MB<br />10:09:38 Peak memory usage: 3.75 MB<br />10:09:38 Done writing file<br />File has been created in D:\whospost\dv\vendor\phpoffice\phpexcel\Examples<br />