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