22:03:42 Create new PHPExcel object
22:03:42 Set properties
22:03:42 Add some data
22:03:42 Rename sheet
22:03:42 Set document security
22:03:42 Set sheet security
22:03:42 Write to Excel2007 format
22:03:42 Peak memory usage: 2.5 MB
22:03:42 Done writing file.