12:29:09 Create new PHPExcel object<br />12:29:09 Set document properties<br />12:29:09 Add data<br />12:29:09 Set data validation<br />12:29:09 Write to Excel2007 format<br />12:29:09 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0247 seconds<br />12:29:09 Current memory usage: 3.75 MB<br />12:29:09 Peak memory usage: 3.75 MB<br />12:29:09 Done writing file<br />File has been created in D:\whospost\dv\vendor\phpoffice\phpexcel\Examples<br />