| Class | Rating | Complexity | Lines of code |
|---|---|---|---|
| WPIMAdmin | 415 | 2,683 | |
| WPIMCore | 267 | 985 | |
| WPInventoryInit | 118 | 594 | |
| WPIMDB | 118 | 524 | |
| WPIMItem | 115 | 515 | |
| WPIMUpdater | 102 | 308 | |
| WPIMLoop | 84 | 264 | |
| WPIMLabel | 60 | 195 | |
| WPIMSearch | 46 | 153 | |
| WPIMReserveService | 43 | 169 | |
| WPIMSupport | 35 | 214 | |
| WPIMPromo | 35 | 215 | |
| WPIMDefaultItems | 34 | 351 | |
| WPIMShortcode | 29 | 108 | |
| WPIMStatus | 27 | 92 | |
| WPIMCategory | 24 | 106 | |
| WPIMAPI | 24 | 122 | |
| WPIMBXSlider | 23 | 195 | |
| WPIMStockNotices | 16 | 54 | |
| WPIMDefaultLayout | 15 | 36 | |
| WPIMConfig | 15 | 129 | |
| WPIMTemplate | 10 | 34 | |
| WPInventory_Latest_Items_Widget | 10 | 63 | |
| WPInventory_Categories_Widget | 5 | 35 | |
| WPIMShortcodes | 4 | 30 | |
| WPIMConstants | 0 | 0 |