phpmd.xml

<?xml version="1.0"?>
<ruleset name="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>
        PHP mess detector rules
    </description>

    <!-- Import the default rule sets -->
    <rule ref="rulesets/cleancode.xml"/>
    <rule ref="rulesets/codesize.xml"/>
    <rule ref="rulesets/controversial.xml"/>
    <rule ref="rulesets/design.xml"/>
    <rule ref="rulesets/unusedcode.xml"/>

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

    <rule ref="rulesets/naming.xml/ShortVariable">
        <priority>3</priority>
        <properties>
            <property name="minimum" value="2"/>
        </properties>
    </rule>

</ruleset>