21:06:48 Create new PHPExcel object
21:06:48 Set document properties
21:06:48 Add data
21:06:48 Set data validation
21:06:48 Write to Excel2007 format
21:06:48 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0237 seconds
21:06:48 Current memory usage: 6 MB
21:06:48 Peak memory usage: 6 MB
21:06:48 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples