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[Testing & Quality](/categories/testing) 4. / 5. charchas/phpcpd ActiveLibrary[Testing & Quality](/categories/testing) charchas/phpcpd =============== Copy/Paste Detector (CPD) for PHP code. 00PHP Since May 30Pushed 1y agoCompare [ Source](https://github.com/charchas/phpcpd)[ Packagist](https://packagist.org/packages/charchas/phpcpd)[ RSS](/packages/charchas-phpcpd/feed)WikiDiscussions master Synced 1mo ago READMEChangelogDependenciesVersions (1)Used By (0) [![Latest Stable Version](https://camo.githubusercontent.com/e26395b1578c470ef7fc0e669e10ae79d1fe5a8be2e9ef27afeac7c8340d7c96/68747470733a2f2f696d672e736869656c64732e696f2f7061636b61676973742f762f73656261737469616e2f7068706370642e7376673f7374796c653d666c61742d737175617265)](https://packagist.org/packages/sebastian/phpcpd)[![Minimum PHP Version](https://camo.githubusercontent.com/dcd4b4aec2c1709157fa6a2c050f709d75cde9552a79cfff0b70a97fad7281ae/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f7068702d253345253344253230372e312d3838393242462e7376673f7374796c653d666c61742d737175617265)](https://php.net/)[![Build Status](https://camo.githubusercontent.com/4a3427a1e415a2122caff053708db941b331de7bade0be6f9c26afc4c23d4d88/68747470733a2f2f696d672e736869656c64732e696f2f7472617669732f73656261737469616e626572676d616e6e2f7068706370642f6d61737465722e7376673f7374796c653d666c61742d737175617265)](https://travis-ci.org/sebastianbergmann/phpcpd) PHP Copy/Paste Detector (PHPCPD) ================================ [](#php-copypaste-detector-phpcpd) `phpcpd` is a Copy/Paste Detector (CPD) for PHP code. Installation ------------ [](#installation) ### PHP Archive (PHAR) [](#php-archive-phar) The easiest way to obtain PHPCPD is to download a [PHP Archive (PHAR)](http://php.net/phar) that has all required dependencies of PHPCPD bundled in a single file: ``` $ wget https://phar.phpunit.de/phpcpd.phar $ chmod +x phpcpd.phar $ mv phpcpd.phar /usr/local/bin/phpcpd ``` You can also immediately use the PHAR after you have downloaded it, of course: ``` $ wget https://phar.phpunit.de/phpcpd.phar $ php phpcpd.phar ``` ### Composer [](#composer) You can add this tool as a local, per-project, development-time dependency to your project using [Composer](https://getcomposer.org/): ``` $ composer require --dev sebastian/phpcpd ``` You can then invoke it using the `vendor/bin/phpcpd` executable. Usage Example ------------- [](#usage-example) ``` $ phpcpd --fuzzy wordpress-4.9.8 phpcpd 4.1.0 by Sebastian Bergmann. Found 66 clones with 3014 duplicated lines in 40 files: - /home/sb/wordpress-4.9.8/wp-includes/Requests/IRI.php:358-708 (350 lines) /home/sb/wordpress-4.9.8/wp-includes/SimplePie/IRI.php:404-754 . . . - /home/sb/wordpress-4.9.8/wp-includes/SimplePie/File.php:133-144 (11 lines) /home/sb/wordpress-4.9.8/wp-includes/SimplePie/File.php:215-226 0.86% duplicated lines out of 349460 total lines of code. Average size of duplication is 45 lines, largest clone has 350 of lines Time: 1.79 seconds, Memory: 272.00MB ``` ### Health Score 15 — LowBetter than 3% of packages Maintenance26 Infrequent updates — may be unmaintained Popularity0 Limited adoption so far Community18 Small or concentrated contributor base Maturity18 Early-stage or recently created project Bus Factor1 Top contributor holds 81.8% of commits — single point of failure How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Community Maintainers ![](https://www.gravatar.com/avatar/f0a99728e4a44bb9c754b72b5e454ddbfd3f288c3f84931599be5ac0f7f56b23?d=identicon)[charchas](/maintainers/charchas) --- Top Contributors [![sebastianbergmann](https://avatars.githubusercontent.com/u/25218?v=4)](https://github.com/sebastianbergmann "sebastianbergmann (283 commits)")[![aboks](https://avatars.githubusercontent.com/u/815524?v=4)](https://github.com/aboks "aboks (9 commits)")[![alexshadow007](https://avatars.githubusercontent.com/u/647552?v=4)](https://github.com/alexshadow007 "alexshadow007 (7 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (6 commits)")[![Ocramius](https://avatars.githubusercontent.com/u/154256?v=4)](https://github.com/Ocramius "Ocramius (6 commits)")[![damien-list](https://avatars.githubusercontent.com/u/1785580?v=4)](https://github.com/damien-list "damien-list (5 commits)")[![edorian](https://avatars.githubusercontent.com/u/247397?v=4)](https://github.com/edorian "edorian (4 commits)")[![JeroenDeDauw](https://avatars.githubusercontent.com/u/146040?v=4)](https://github.com/JeroenDeDauw "JeroenDeDauw (3 commits)")[![svemir](https://avatars.githubusercontent.com/u/154453?v=4)](https://github.com/svemir "svemir (2 commits)")[![mrenrcert](https://avatars.githubusercontent.com/u/65898230?v=4)](https://github.com/mrenrcert "mrenrcert (2 commits)")[![globin](https://avatars.githubusercontent.com/u/1447245?v=4)](https://github.com/globin "globin (2 commits)")[![remicollet](https://avatars.githubusercontent.com/u/270445?v=4)](https://github.com/remicollet "remicollet (2 commits)")[![kukulich](https://avatars.githubusercontent.com/u/260445?v=4)](https://github.com/kukulich "kukulich (2 commits)")[![SergeyZ](https://avatars.githubusercontent.com/u/92912310?v=4)](https://github.com/SergeyZ "SergeyZ (2 commits)")[![tommygnr](https://avatars.githubusercontent.com/u/929392?v=4)](https://github.com/tommygnr "tommygnr (1 commits)")[![charchas](https://avatars.githubusercontent.com/u/37838209?v=4)](https://github.com/charchas "charchas (1 commits)")[![g-g](https://avatars.githubusercontent.com/u/765134?v=4)](https://github.com/g-g "g-g (1 commits)")[![gooh](https://avatars.githubusercontent.com/u/370948?v=4)](https://github.com/gooh "gooh (1 commits)")[![henriquemoody](https://avatars.githubusercontent.com/u/154023?v=4)](https://github.com/henriquemoody "henriquemoody (1 commits)")[![jpetitcolas](https://avatars.githubusercontent.com/u/688373?v=4)](https://github.com/jpetitcolas "jpetitcolas (1 commits)") ### Embed Badge ![Health badge](/badges/charchas-phpcpd/health.svg) ``` [![Health](https://phpackages.com/badges/charchas-phpcpd/health.svg)](https://phpackages.com/packages/charchas-phpcpd) ``` ### Alternatives [phpspec/prophecy Highly opinionated mocking framework for PHP 5.3+ 8.5k551.7M682](/packages/phpspec-prophecy)[vimeo/psalm A static analysis tool for finding errors in PHP applications 5.8k77.5M6.7k](/packages/vimeo-psalm)[brianium/paratest Parallel testing for PHP 2.5k118.8M754](/packages/brianium-paratest)[beberlei/assert Thin assertion library for input validation in business models. 2.4k96.9M570](/packages/beberlei-assert)[mikey179/vfsstream Virtual file system to mock the real file system in unit tests. 1.4k108.0M2.7k](/packages/mikey179-vfsstream)[orchestra/testbench Laravel Testing Helper for Packages Development 2.2k39.1M32.1k](/packages/orchestra-testbench) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)