12:45:18 Create new PHPExcel object
12:45:18 Set document properties
12:45:18 Add data
12:45:18 Set data validation
12:45:18 Write to Excel2007 format
12:45:18 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0248 seconds
12:45:18 Current memory usage: 4 MB
12:45:18 Peak memory usage: 4 MB
12:45:18 Done writing file
File has been created in D:\dev\sklad\vendor\phpoffice\phpexcel\Examples