06:58:07 Create new PHPExcel object
06:58:07 Set document properties
06:58:07 Add data
06:58:07 Set data validation
06:58:07 Write to Excel2007 format
06:58:07 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0313 seconds
06:58:07 Current memory usage: 5.75 MB
06:58:07 Peak memory usage: 5.75 MB
06:58:07 Done writing file
File has been created in D:\wwwroot\dorm\vendor\phpoffice\phpexcel\Examples