[Utils] Add token-based duplicate code detector in utils/duplicates - #8482
Open
TomasVotruba wants to merge 1 commit into
Open
[Utils] Add token-based duplicate code detector in utils/duplicates#8482TomasVotruba wants to merge 1 commit into
TomasVotruba wants to merge 1 commit into
Conversation
TomasVotruba
force-pushed
the
tv-phpcpd
branch
from
September 11, 2026 18:56
0516eb1 to
5d0d8db
Compare
Adds utils/duplicates, a minimal phpcpd clone (token_get_all + Rabin-Karp), a Duplicated Code CI job failing on copy-paste >= 300 tokens, and extracts the shared ForeachToArrayFind logic into a factory so src/rules stays under the gate.
TomasVotruba
force-pushed
the
tv-phpcpd
branch
from
September 11, 2026 18:59
5d0d8db to
a5bcd16
Compare
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
1 participant
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Adds a small copy-paste detector under
utils/duplicates, a minimal clone of phpcpd.How it works
token_get_all()(no php-parser dependency).--min-tokenswindow, filtered by--min-lines.Usage
Options:
--min-lines(default 5),--min-tokens(default 70),--fuzzy(ignore variable names). Exit code is 1 when clones are found.Covered by
CloneDetectorTest.