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>*/build/*</exclude-pattern>
    <exclude-pattern>*/cache/*</exclude-pattern>
    <exclude-pattern>*/etc/*</exclude-pattern>
    <exclude-pattern>*/logs/*</exclude-pattern>
    <exclude-pattern>*/snapshots/*</exclude-pattern>
    <exclude-pattern>*/tests/*</exclude-pattern>
    <exclude-pattern>*/versions/*</exclude-pattern>

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

    <!-- Exclude non-PHP files -->
    <exclude-pattern>*/Gruntfile.js</exclude-pattern>

    <rule ref="PSR12" />

    <!-- temporary extend the line length -->
    <rule ref="Generic.Files.LineLength">
        <properties>
            <property name="lineLimit" value="560"/>
            <property name="absoluteLineLimit" value="560"/>
        </properties>
    </rule>

    <rule ref="PSR1.Files.SideEffects.FoundWithSymbols">
        <exclude-pattern type="relative">www/index\.php</exclude-pattern>
    </rule>

    <file>./bin</file>
    <file>./src</file>
    <file>./tests</file>
    <file>./www</file>

</ruleset>