16:31:04 Create new PHPExcel object
16:31:05 Set document properties
16:31:05 Add data
16:31:05 Set data validation
16:31:05 Write to Excel2007 format
16:31:05 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.1170 seconds
16:31:05 Current memory usage: 6 MB
16:31:05 Peak memory usage: 6 MB
16:31:05 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples