16:35:59 Create new PHPExcel object
16:35:59 Set document properties
16:35:59 Add data
16:35:59 Set data validation
16:35:59 Write to Excel5 format
16:35:59 File written to 15datavalidation-xls.xls
Call time to write Workbook was 0.0033 seconds
16:35:59 Current memory usage: 2 MB
16:35:59 Peak memory usage: 2 MB
16:35:59 Done writing file
File has been created in /var/www/html/vendor/phpoffice/phpexcel/Examples