21:03:42 Create new PHPExcel object<br />21:03:42 Set document properties<br />21:03:42 Add data<br />21:03:42 Set data validation<br />21:03:42 Write to Excel2007 format<br />21:03:42 File written to 15datavalidation.xlsx<br />Call time to write Workbook was 0.0243 seconds<br />21:03:42 Current memory usage: 6 MB<br />21:03:42 Peak memory usage: 6 MB<br />21:03:42 Done writing file<br />File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples<br />