15:03:30 Create new PHPExcel object
15:03:31 Set properties
15:03:31 Add some data
15:03:31 Rename sheet
15:03:31 Set document security
15:03:31 Set sheet security
15:03:31 Write to Excel2007 format
15:03:31 Peak memory usage: 2.5 MB
15:03:31 Done writing file.