13:51:38 Create new PHPExcel object
13:51:38 Set document properties
13:51:38 Add data
13:51:38 Set data validation
13:51:38 Write to Excel2007 format
13:51:39 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0230 seconds
13:51:39 Current memory usage: 6 MB
13:51:39 Peak memory usage: 6 MB
13:51:39 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples