13:53:54 Create new PHPExcel object
13:53:54 Set document properties
13:53:54 Add data
13:53:54 Set data validation
13:53:54 Write to Excel2007 format
13:53:54 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0236 seconds
13:53:54 Current memory usage: 4 MB
13:53:54 Peak memory usage: 4 MB
13:53:54 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples