22:28:43 Create new PHPExcel object
22:28:43 Set properties
22:28:43 Add some data
22:28:43 Rename sheet
22:28:43 Set document security
22:28:43 Set sheet security
22:28:43 Write to Excel2007 format
22:28:43 Peak memory usage: 2.5 MB
22:28:43 Done writing file.