20:58:04 Create new PHPExcel object
20:58:04 Set properties
20:58:04 Add some data
20:58:04 Set column widths
20:58:04 Add conditional formatting
20:58:04 Set fonts
20:58:04 Set header/footer
20:58:04 Set page orientation and size
20:58:04 Rename sheet
20:58:04 Write to Excel2007 format
20:58:04 Peak memory usage: 2.75 MB
20:58:04 Done writing file.