13:48:16 Create new PHPExcel object
13:48:16 Set properties
13:48:16 Add some data
13:48:16 Set column widths
13:48:16 Add conditional formatting
13:48:16 Set fonts
13:48:16 Set header/footer
13:48:16 Set page orientation and size
13:48:16 Rename sheet
13:48:16 Write to Excel2007 format
13:48:16 Peak memory usage: 4.25 MB
13:48:16 Done writing file.