18:42:43 Set timezone
17:42:43 Set value binder
17:42:43 Create new PHPExcel object
17:42:43 Set properties
17:42:43 Set default font
17:42:43 Set column widths
17:42:43 Add some data
17:42:43 Rename sheet
17:42:43 Write to Excel5 format
17:42:43 Peak memory usage: 4.5 MB
17:42:43 Done writing file.