phpcdp 安裝

$ pear channel-discover pear.phpunit.de 

$ pear install phpunit/phpcpd

若出現缺少含式庫的訊息

phpunit/phpcpd requires package "channel://components.ez.no/ConsoleTools" (version >= 1.6) 

phpunit/FinderFacade requires package "channel://pear.netpirates.net/fDOMDocument" (version >= 1.3.1) 

phpunit/FinderFacade requires package "channel://pear.symfony.com/Finder" (version >= 2.1.0, version <= 2.1.99)

則

$ pear config-set auto_discover 1

$ phpcdp ./project/ 

Reference :

Detecting duplicate code in PHP files