Netbeans Plugin for phpmd, phpcs, checkstyle and phpcpd.
Netbeans PHP Plugin which provides violations detected by PHP Mess Detector (phpmd.org by Manuel Pichler) and warnings / infos from PHP CodeSniffer (http://pear.php.net/package/PHP_CodeSniffer/) also displayes dublicated php code detected by PHP Copy & Paste Detector (phpcpd by Sebastian Bergmann https://github.com/sebastianbergmann/phpcpd) and even supports PHP Checkstyle (http://code.google.com/p/phpcheckstyle/) Plugin by http://www.fin-sn.de
A web based peer code review tool providing subversion integration, working against live repositories; Syntax highlighting for a wide variety of languages; File and repository level diffing; E-mail notifications. Groogle is a Web 2.0 LAMP application.