PHP Mess Detector Ruleset for Drupal.

phpmd_drupal_ruleset.xml

<?xml version="1.0"?>
<ruleset
    name="PMD Ruleset for Drupal"
    xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd"
>
    <rule ref="rulesets/unusedcode.xml" />
    <rule ref="rulesets/codesize.xml">
       <exclude name="ExcessiveMethodLength" />
    </rule>
    <rule ref="rulesets/codesize.xml/ExcessiveMethodLength">
        <properties>
            <property name="minimum" value="150" />
        </properties>
    </rule>
    <rule ref="rulesets/cleancode.xml" />
    <rule ref="rulesets/design.xml">
       <exclude name="CouplingBetweenObjects" />
    </rule>
    <rule ref="rulesets/design.xml/CouplingBetweenObjects" />
    <rule ref="rulesets/naming.xml">
       <exclude name="ShortVariable" />
       <exclude name="LongVariable" />
    </rule>
    <rule ref="rulesets/naming.xml/ShortVariable">
        <properties>
            <property name="minimum" value="2" />
            <property name="exceptions" value="id" />
        </properties>
    </rule>
    <rule ref="rulesets/naming.xml/LongVariable">
        <properties>
            <property name="maximum" value="30" />
        </properties>
    </rule>
</ruleset>