13:13:36 Create new PHPExcel object
13:13:36 Set document properties
13:13:36 Add data
13:13:36 Set data validation
13:13:36 Write to Excel2007 format
13:13:36 File written to /var/www/html/Classes/Tests/15datavalidation.xlsx
13:13:36 Peak memory usage: 1.5 MB
13:13:36 Done writing file