23:41:50 Create new PHPExcel object
23:41:50 Set document properties
23:41:50 Add data
23:41:50 Set data validation
23:41:50 Write to Excel2007 format
23:41:50 File written to /var/www/html/Classes/Tests/15datavalidation.xlsx
23:41:50 Peak memory usage: 1.5 MB
23:41:50 Done writing file