| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| WPFM_File | 118 | 455 | |
| WPFM_Fields | 55 | 225 | |
| WPFM_Meta | 51 | 518 | |
| WPFM | 24 | 113 | |
| WPFM_Email | 22 | 103 | |
| WPFM_Inputs | 21 | 54 | |
| WPFM_File_Legacy | 15 | 69 | |
| WPFM_Deactivate | 14 | 182 | |
| NM_Checkbox | 9 | 87 | |
| NM_Select | 6 | 72 | |
| NM_Radio | 6 | 70 | |
| NM_Date | 6 | 88 | |
| NM_Text | 5 | 54 | |
| NM_Email | 5 | 69 | |
| NM_Hidden | 5 | 29 | |
| NM_Textarea | 4 | 52 | |
| NM_Section | 3 | 29 |