02:19:45 Create new PHPExcel object
02:19:45 Set document properties
02:19:45 Add data
02:19:45 Set data validation
02:19:45 Write to Excel2007 format
02:19:45 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0307 seconds
02:19:45 Current memory usage: 6 MB
02:19:45 Peak memory usage: 6 MB
02:19:45 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples