23:37:07 Create new PHPExcel object
23:37:07 Set document properties
23:37:07 Add data
23:37:07 Set data validation
23:37:07 Write to Excel2007 format
23:37:07 File written to /var/www/html/Classes/Tests/15datavalidation.xlsx
23:37:07 Peak memory usage: 1.5 MB
23:37:07 Done writing file