22:10:41 Create new PHPExcel object
22:10:41 Set properties
22:10:41 Add some data
22:10:41 Set header/footer
22:10:41 Add a drawing to the header
22:10:41 Set page orientation and size
22:10:41 Rename sheet
22:10:41 Write to Excel2007 format
22:10:41 Peak memory usage: 6 MB
22:10:41 Done writing file.