23:39:00 Create new PHPExcel object
23:39:00 Set document properties
23:39:00 Add data
23:39:00 Set data validation
23:39:00 Write to Excel5 format
23:39:00 File written to /var/www/html/Classes/Tests/15datavalidation-xls.xls
23:39:00 Peak memory usage: 1.75 MB
23:39:00 Done writing file