22:36:26 Create new PHPExcel object
22:36:26 Set document properties
22:36:26 Add data
22:36:26 Set data validation
22:36:26 Write to Excel2007 format
22:36:26 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0236 seconds
22:36:26 Current memory usage: 6 MB
22:36:26 Peak memory usage: 6 MB
22:36:26 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples