| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| FieldTypes | 387 | 1,370 | |
| Settings | 171 | 460 | |
| MetaBox | 81 | 190 | |
| CBP_List_Table | 58 | 386 | |
| AjaxAction | 39 | 109 | |
| Compatibility | 36 | 104 | |
| Patterns | 30 | 101 | |
| Hooks | 28 | 117 | |
| Templates | 24 | 71 | |
| Directory | 22 | 160 | |
| Attributes | 19 | 59 | |
| Helper | 16 | 71 | |
| PostFormats | 12 | 35 | |
| PostType | 5 | 69 | |
| Loader | 4 | 33 |