13:49:45 Create new PHPExcel object
13:49:45 Set properties
13:49:45 Add some data
13:49:46 Set header/footer
13:49:46 Add a drawing to the header
13:49:46 Set page orientation and size
13:49:46 Rename sheet
13:49:46 Write to Excel2007 format
13:49:46 Peak memory usage: 7 MB
13:49:46 Done writing file.