08:37:16 Create new PHPExcel object
08:37:16 Set document properties
08:37:16 Add data
08:37:16 Set data validation
08:37:16 Write to Excel2007 format
08:37:16 File written to 15datavalidation.xlsx
Call time to write Workbook was 0.0031 seconds
08:37:16 Current memory usage: 4.25 MB
08:37:16 Peak memory usage: 4.25 MB
08:37:16 Done writing file
File has been created in /var/www/nsst/vendor/phpoffice/phpexcel/Examples