06:58:06 Create new PHPExcel object
06:58:06 Set document properties
06:58:06 Add data
06:58:06 Set data validation
06:58:06 Write to Excel2007 format
06:58:06 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0314 seconds
06:58:06 Current memory usage: 5.75 MB
06:58:06 Peak memory usage: 5.75 MB
06:58:06 Done writing file
File has been created in D:\wwwroot\oa\vendor\phpoffice\phpexcel\Examples