11:31:55 Create new PHPExcel object
11:31:55 Set properties
11:31:55 Add some data
11:31:55 Rename sheet
11:31:55 Set document security
11:31:55 Set sheet security
11:31:55 Write to Excel2007 format
11:31:55 Peak memory usage: 4.25 MB
11:31:55 Done writing file.