phpmd.xml

<?xml version="1.0"?>
<ruleset name="Magento 2 Debug module 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>Magento 2 Debug module ruleset</description>
    <rule ref="rulesets/codesize.xml" />
    <rule ref="rulesets/controversial.xml" />
    <rule ref="rulesets/design.xml"/>
    <rule ref="rulesets/naming.xml">
        <exclude name="ShortVariable" />
        <exclude name="LongVariable" />
    </rule>
    <rule ref="rulesets/unusedcode.xml" />
    <exclude-pattern>etc</exclude-pattern>
    <exclude-pattern>Test</exclude-pattern>
    <exclude-pattern>view</exclude-pattern>
    <exclude-pattern>vendor</exclude-pattern>
</ruleset>