11:35:01 Create new PHPExcel object
11:35:01 Set document properties
11:35:01 Add data
11:35:01 Set data validation
11:35:01 Write to Excel5 format
11:35:01 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.0323 seconds
11:35:01 Current memory usage: 6 MB
11:35:01 Peak memory usage: 6 MB
11:35:01 Done writing file
File has been created in D:\wwwroot\stu91\vendor\phpoffice\phpexcel\Examples