| Name | Lines of code | Maintainability | Test coverage |
| class/Text_Diff_Renderer.php | 139 | C 7 hrs | |
| include/feedfunc.new.php | 142 | A 1 hr | |
| language/english/modinfo.php | 144 | A 0 mins | |
| singlelink.php | 150 | D 2 days | |
| index.php | 186 | D 2 days | |
| admin/mygrouppermform.php | 204 | C 7 hrs | |
| language/english/main.php | 210 | A 0 mins | |
| include/functions.php | 236 | D 2 days | |
| include/gtickets.php | 251 | D 2 days | |
| include/addto-multi.js | 253 | F 3 days | |
| viewcat.php | 265 | B 4 hrs | |
| admin/mytplsadmin.php | 279 | B 4 hrs | |
| bookmark.php | 299 | C 1 day | |
| fpdf/makepdf_class.php | 310 | D 2 days | |
| fpdf/font/makefont/makefont.php | 365 | F 4 days | |
| fpdf/korean.php | 378 | F 3 wks | |
| fpdf/chinese.php | 405 | F 3 wks | |
| fpdf/japanese.php | 416 | F 1 wk | |
| include/blocksadmin.inc.php | 447 | F 6 days | |
| xoops_version.php | 476 | C 7 hrs | |
| class/Text_Diff.php | 486 | F 4 days | |
| extras/XOOPS_2.5.x/htdocs/modules/system/blocks/system_blocks.php | 540 | F 6 days | |
| fpdf/gif.php | 793 | F 1 wk | |
| admin/main.php | 829 | F 1 wk | |
| fpdf/fpdf.php | 1,411 | F 2 wks |