20:58:03 Create new PHPExcel object
20:58:03 Set properties
20:58:03 Add some data
20:58:03 Rename sheet
20:58:03 Set document security
20:58:03 Set sheet security
20:58:03 Write to Excel2007 format
20:58:03 Peak memory usage: 7.5 MB
20:58:03 Done writing file.