20:38:25 Create new PHPExcel object
20:38:25 Set document properties
20:38:25 Add data
20:38:25 Set data validation
20:38:25 Write to Excel2007 format
20:38:25 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.1184 seconds
20:38:25 Current memory usage: 6 MB
20:38:25 Peak memory usage: 6 MB
20:38:25 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples