build/phpmd.xml
<?xml version="1.0"?>
<ruleset name="Symfony2 ruleset" 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>
Symfony2 ruleset
</description>
<rule ref="rulesets/design.xml"/>
<rule ref="rulesets/unusedcode.xml"/>
<rule ref="rulesets/codesize.xml"/>
</ruleset>