phpmd.xml

<?xml version="1.0"?>
<ruleset name="My first PHPMD rule set"
         xmlns="http://pmd.sf.net/ruleset/1.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://pmd.sf.net/ruleset/1.0.0 http://pmd.sf.net/ruleset_xml_schema.xsd"
         xsi:noNamespaceSchemaLocation="http://pmd.sf.net/ruleset_xml_schema.xsd">
    <description>Some sane changes for default PHP Mess Detector rules to accommodate development using Yii framework.</description>

    <rule ref="rulesets/cleancode.xml">
        <exclude name="StaticAccess" />
    </rule>

    <rule ref="rulesets/naming.xml">
        <exclude name="ShortVariable" />
    </rule>

    <rule ref="rulesets/naming.xml/ShortVariable">
        <properties>
            <property name="minimum" value="2" />
        </properties>
    </rule>
    <rule ref="rulesets/design.xml" />
    <rule ref="rulesets/unusedcode.xml" />
</ruleset>