02:29:54 Create new PHPExcel object
02:29:54 Set document properties
02:29:54 Add data
02:29:54 Set data validation
02:29:54 Write to Excel2007 format
02:29:54 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0389 seconds
02:29:54 Current memory usage: 6 MB
02:29:54 Peak memory usage: 6 MB
02:29:54 Done writing file
File has been created in D:\dev\vsk\vendor\phpoffice\phpexcel\Examples