13:26:10 Create new PHPExcel object
13:26:10 Set document properties
13:26:10 Add data
13:26:10 Set data validation
13:26:10 Write to Excel2007 format
13:26:10 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0244 seconds
13:26:10 Current memory usage: 4 MB
13:26:10 Peak memory usage: 4 MB
13:26:10 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples