13:48:33 Create new PHPExcel object
13:48:33 Set properties
13:48:33 Add some data
13:48:33 Rename sheet
13:48:33 Set document security
13:48:33 Set sheet security
13:48:33 Write to Excel2007 format
13:48:33 Peak memory usage: 7.75 MB
13:48:33 Done writing file.