08:57:21 Create new PHPExcel object
08:57:21 Set document properties
08:57:21 Add data
08:57:21 Set data validation
08:57:21 Write to Excel2007 format
08:57:21 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0136 seconds
08:57:21 Current memory usage: 6 MB
08:57:21 Peak memory usage: 6 MB
08:57:21 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples