21:04:44 Create new PHPExcel object
21:04:44 Set document properties
21:04:44 Add data
21:04:44 Set data validation
21:04:44 Write to Excel2007 format
21:04:44 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0237 seconds
21:04:44 Current memory usage: 6 MB
21:04:44 Peak memory usage: 6 MB
21:04:44 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples