04:12:04 Create new PHPExcel object
04:12:04 Set document properties
04:12:04 Add data
04:12:04 Set data validation
04:12:04 Write to Excel2007 format
04:12:04 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0701 seconds
04:12:04 Current memory usage: 6 MB
04:12:04 Peak memory usage: 6 MB
04:12:04 Done writing file
File has been created in E:\item\doctor\vendor\phpoffice\phpexcel\Examples