21:31:34 Create new PHPExcel object
21:31:34 Set document properties
21:31:34 Add data
21:31:34 Set data validation
21:31:34 Write to Excel2007 format
21:31:34 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0224 seconds
21:31:34 Current memory usage: 2 MB
21:31:34 Peak memory usage: 2 MB
21:31:34 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples