PHPMD - PHP Mess Detector

This is the project site of PHPMD. It is a spin-off project of PHP Depend and aims to be a PHP equivalent of the well known Java tool PMD. PHPMD can be seen as an user friendly and easy to configure frontend for the raw metrics measured by PHP Depend.
What PHPMD does is: It takes a given PHP source code base and look for several potential problems within that source. These problems can be things like:

• Possible bugs
• Suboptimal code
• Overcomplicated expressions
• Unused parameters, methods, properties
  
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  http://github.com/phpmd/phpmd