22:42:33 Create new PHPExcel object
22:42:33 Set document properties
22:42:33 Add data
22:42:33 Set data validation
22:42:33 Write to Excel2007 format
22:42:33 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0229 seconds
22:42:33 Current memory usage: 2 MB
22:42:33 Peak memory usage: 2 MB
22:42:33 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples