19:20:56 Create new PHPExcel object
19:20:56 Set properties
19:20:56 Add some data
19:20:56 Set column widths
19:20:56 Add conditional formatting
19:20:56 Set fonts
19:20:56 Set header/footer
19:20:56 Set page orientation and size
19:20:56 Rename sheet
19:20:56 Write to Excel2007 format
19:20:56 Peak memory usage: 4 MB
19:20:56 Done writing file.