11:31:56 Create new PHPExcel object
11:31:56 Set properties
11:31:56 Add some data
11:31:56 Set column widths
11:31:56 Add conditional formatting
11:31:56 Set fonts
11:31:56 Set header/footer
11:31:56 Set page orientation and size
11:31:56 Rename sheet
11:31:56 Write to Excel2007 format
11:31:56 Peak memory usage: 4.75 MB
11:31:56 Done writing file.