18:41:34 Create new PHPExcel object
18:41:34 Set properties
18:41:34 Add some data
18:41:34 Rename sheet
18:41:34 Set document security
18:41:34 Set sheet security
18:41:34 Write to Excel2007 format
18:41:34 Peak memory usage: 3.75 MB
18:41:34 Done writing file.