sebastianbergmann / phpcpd
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Description: Copy/Paste Detector (CPD) for PHP code.
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Clone URL: git://github.com/sebastianbergmann/phpcpd.git
phpcpd /
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directory PHPCPD/ Wed Nov 04 20:52:42 -0800 2009 Use File_Iterator. [sebastianbergmann]
file README.markdown Fri Nov 06 02:49:43 -0800 2009 Prepare release. [sebastianbergmann]
file package.xml Fri Nov 06 02:49:43 -0800 2009 Prepare release. [sebastianbergmann]
file phpcpd.bat Sat Jan 24 08:22:12 -0800 2009 Start project. [sebastianbergmann]
file phpcpd.php Sat Jan 24 08:22:12 -0800 2009 Start project. [sebastianbergmann]
README.markdown

phpcpd

phpcpd is a Copy/Paste Detector (CPD) for PHP code.

The goal of phpcpd is not not to replace more sophisticated tools such as phpcs, pdepend, or phpmd, but rather to provide an alternative to them when you just need to get a quick overview of duplicated code in a project.

Requirements

Installation

phpcpd should be installed using the PEAR Installer. This installer is the backbone of PEAR, which provides a distribution system for PHP packages, and is shipped with every release of PHP since version 4.3.0.

The PEAR channel (pear.phpunit.de) that is used to distribute phpcpd needs to be registered with the local PEAR environment:

sb@ubuntu ~ % pear channel-discover pear.phpunit.de
Adding Channel "pear.phpunit.de" succeeded
Discovery of channel "pear.phpunit.de" succeeded

This has to be done only once. Now the PEAR Installer can be used to install packages from the PHPUnit channel:

sb@ubuntu ~ % pear install phpunit/phpcpd
downloading phpcpd-1.2.1.tgz ...
Starting to download phpcpd-1.2.1.tgz (8,636 bytes)
.....done: 8,636 bytes
downloading File_Iterator-1.0.0.tgz ...
Starting to download File_Iterator-1.0.0.tgz (2,353 bytes)
...done: 2,353 bytes
install ok: channel://pear.phpunit.de/File_Iterator-1.0.0
install ok: channel://pear.phpunit.de/phpcpd-1.2.1

After the installation you can find the phpcpd source files inside your local PEAR directory; the path is usually /usr/lib/php/PHPCPD.

Usage Example

sb@ubuntu ~ % phpcpd /usr/local/src/phpunit/trunk 
phpcpd 1.2.1 by Sebastian Bergmann.

Found 4 exact clones with 131 duplicated lines in 7 files:

  - PHPUnit/Samples/BankAccountDB/BankAccountDBTestMySQL.php:84-128
    PHPUnit/Samples/BankAccountDB/BankAccountDBTest.php:84-128

  - PHPUnit/Tests/Extensions/Database/DataSet/XmlDataSetsTest.php:71-97
    PHPUnit/Tests/Extensions/Database/DataSet/CsvDataSetTest.php:70-96

  - PHPUnit/Tests/Extensions/Database/DataSet/XmlDataSetsTest.php:71-98
    PHPUnit/Tests/Extensions/Database/DataSet/YamlDataSetTest.php:70-97

  - PHPUnit/Extensions/Database/DataSet/AbstractTable.php:156-190
    PHPUnit/Extensions/Database/DataSet/ReplacementTable.php:172-206

0.20% duplicated lines out of 64826 total lines of code.