| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| Wcff_Builder | 485 | 1,214 | |
| Wcff_CartEditor | 330 | 775 | |
| Wcff_CheckoutFields | 212 | 561 | |
| Wcff_FieldsInjector | 174 | 498 | |
| Wcff_Dao | 165 | 557 | |
| Wcff_Negotiator | 156 | 344 | |
| Wcff_Validator | 143 | 512 | |
| Wcff_AdminFields | 131 | 523 | |
| Wcff_CartDataRenderer | 80 | 161 | |
| Wcff_Persister | 78 | 190 | |
| Wcff_PostForm | 74 | 148 | |
| Wcff_OrderHandler | 63 | 130 | |
| Wcff_Ajax | 41 | 118 | |
| Wcff_ProductFields | 36 | 122 | |
| Wcff_Locale | 21 | 56 | |
| Wcff_Setup | 12 | 159 | |
| Wcff_Request | 8 | 15 | |
| Wcff_Loader | 6 | 46 | |
| Wcff_Options | 3 | 6 | |
| Wcff | 2 | 16 | |
| Wcff_Response | 2 | 10 |