13:22:51 Create new PHPExcel object
13:22:51 Set document properties
13:22:51 Add data
13:22:51 Set data validation
13:22:51 Write to Excel2007 format
13:22:51 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0237 seconds
13:22:51 Current memory usage: 6 MB
13:22:51 Peak memory usage: 6 MB
13:22:51 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples