11:49:35 Create new PHPExcel object
11:49:35 Set properties
11:49:35 Add some data
11:49:35 Rename sheet
11:49:35 Set document security
11:49:35 Set sheet security
11:49:35 Write to Excel2007 format
11:49:35 Peak memory usage: 4 MB
11:49:35 Done writing file.