<?xml version="1.0"?>
<ruleset name="GemsTracker library 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>
        Configures some rules to have different tresholds or less strict checks
    </description>
    <rule ref="rulesets/cleancode.xml" />
    <rule ref="rulesets/codesize.xml" />
    <rule ref="rulesets/design.xml" />
    <rule ref="rulesets/naming.xml" />
    <rule ref="rulesets/unusedcode.xml" />
    <rule ref="rulesets/controversial.xml">
        <exclude name="CamelCasePropertyName"/>
    </rule>    
    <rule ref="rulesets/controversial.xml/CamelCasePropertyName">
        <properties>
            <property name="allow-underscore" value="true" />
        </properties>
    </rule>
</ruleset>
<?xml version="1.0"?>
<ruleset name="GemsTracker library 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>
        Configures some rules to have different tresholds or less strict checks
    </description>
    <rule ref="rulesets/cleancode.xml" />
    <rule ref="rulesets/codesize.xml" />
    <rule ref="rulesets/design.xml" />
    <rule ref="rulesets/naming.xml" />
    <rule ref="rulesets/unusedcode.xml" />
    <rule ref="rulesets/controversial.xml">
        <exclude name="CamelCasePropertyName"/>
        <exclude name="CamelCaseMethodName"/>
    </rule>    
    
    <rule ref="rulesets/controversial.xml/CamelCasePropertyName">
        <properties>
            <property name="allow-underscore" value="true" />
        </properties>
    </rule>
    <rule ref="rulesets/controversial.xml/CamelCaseMethodName">
        <properties>
            <property name="allow-underscore" value="true" />
        </properties>
    </rule>
</ruleset>
Allow private methods and properties to start with an underscore
PHPMD: Allow private methods and properties to start with an underscore