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PHP Copy/Paste Detector (PHPCPD)

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

Installation

There a two supported ways of installing PHPCPD.

You can use the PEAR Installer to download and install PHPCPD as well as its dependencies. You can also download a PHP Archive (PHAR) of PHPCPD that has all required dependencies of PHPCPD bundled in a single file.

PEAR Installer

The following two commands (which you may have to run as root) are all that is required to install PHPCPD using the PEAR Installer:

pear config-set auto_discover 1
pear install pear.phpunit.de/phpcpd

PHP Archive (PHAR)

wget http://pear.phpunit.de/get/phpcpd.phar
chmod +x phpcpd.phar

Usage Example

➜ ~ phpcpd /usr/local/src/phpunit/PHPUnit
phpcpd 1.4.0 by Sebastian Bergmann.

Found 3 exact clones with 53 duplicated lines in 5 files:

  - /usr/local/src/phpunit/PHPUnit/Framework/Constraint/Or.php:136-157
    /usr/local/src/phpunit/PHPUnit/Framework/Constraint/And.php:143-164

  - /usr/local/src/phpunit/PHPUnit/Framework/Constraint/Or.php:136-157
    /usr/local/src/phpunit/PHPUnit/Framework/Constraint/Xor.php:141-162

  - /usr/local/src/phpunit/PHPUnit/Framework/Comparator/Scalar.php:121-132
    /usr/local/src/phpunit/PHPUnit/Framework/Comparator/Numeric.php:102-113

0.19% duplicated lines out of 27640 total lines of code.

Time: 0 seconds, Memory: 18.25Mb