11:50:37 Create new PHPExcel object
11:50:37 Set properties
11:50:37 Add some data
11:50:37 Set column widths
11:50:37 Add conditional formatting
11:50:37 Set fonts
11:50:37 Set header/footer
11:50:37 Set page orientation and size
11:50:37 Rename sheet
11:50:37 Write to Excel2007 format
11:50:37 Peak memory usage: 4 MB
11:50:37 Done writing file.