ruleset.xml

<?xml version="1.0"?>
<ruleset name="Joomla">

    <arg name="report" value="full"/>
    <arg name="tab-width" value="4"/>
    <arg name="encoding" value="utf-8"/>
    <arg value="sp"/>
    <arg name="colors" />

    <!-- Exclude folders not containing production code -->
    <exclude-pattern>*/.github/*</exclude-pattern>
    <exclude-pattern>*/.travis/*</exclude-pattern>

    <!-- Exclude 3rd party libraries. -->
    <exclude-pattern>*/vendor/*</exclude-pattern>

    <rule ref="Joomla">
        <!-- Required due to public class member properties which are named in snake case -->
        <exclude name="Joomla.NamingConventions.ValidVariableName"/>
        <!-- Required due to methods which are named in snake case -->
        <exclude name="Joomla.NamingConventions.ValidFunctionName.ScopeNotCamelCaps"/>
    </rule>
</ruleset>