22:13:41 Create new PHPExcel object
22:13:41 Set document properties
22:13:41 Add data
22:13:41 Set data validation
22:13:41 Write to Excel2007 format
22:13:41 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0235 seconds
22:13:41 Current memory usage: 6 MB
22:13:41 Peak memory usage: 6 MB
22:13:41 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples