ruleset.xml

<?xml version="1.0"?>
<ruleset name="Joomla-CMS">
    <description>The Joomla CMS PSR-12 exceptions.</description>

    <!-- Exclude folders not containing production code -->

    <!-- Exclude 3rd party libraries and Framework code. -->
    <exclude-pattern type="relative">^vendor/*</exclude-pattern>
	<exclude-pattern type="relative">^src/administrator/components/com_volunteers/layouts/*</exclude-pattern>
    <exclude-pattern type="relative">^src/administrator/components/com_volunteers/tmpl/*</exclude-pattern>
    <exclude-pattern type="relative">^src/components/com_volunteers/tmpl/*</exclude-pattern>
    <exclude-pattern type="relative">^dist/*</exclude-pattern>
    <exclude-pattern type="relative">^libraries/*</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">
        <exclude-pattern type="relative">build/lib/phpStormSourceHandling\.php</exclude-pattern>
        <exclude-pattern type="relative">RoboFile\.php</exclude-pattern>
    </rule>

    <rule ref="PSR1.Classes.ClassDeclaration">
        <exclude-pattern type="relative">build/lib/phpStormSourceHandling\.php</exclude-pattern>
        <exclude-pattern type="relative">build/lib/ZipmeFileSet\.php</exclude-pattern>
        <exclude-pattern type="relative">build/tasks/AutoversionTask\.php</exclude-pattern>
        <exclude-pattern type="relative">build/tasks/PhpStormSources\.php</exclude-pattern>
        <exclude-pattern type="relative">build/tasks/RelinkSiteTask\.php</exclude-pattern>
        <exclude-pattern type="relative">build/tasks/XmlVersionTask\.php</exclude-pattern>
        <exclude-pattern type="relative">build/tasks/ZipmeTask\.php</exclude-pattern>

        <exclude-pattern type="relative">administrator/components/com_volunteers/script\.php</exclude-pattern>
        <exclude-pattern type="relative">plugins/*</exclude-pattern>
        <exclude-pattern type="relative">RoboFile\.php</exclude-pattern>
    </rule>

    <rule ref="PSR2.Classes.PropertyDeclaration.Underscore">
        <exclude-pattern type="relative">src/components/com_volunteers/src/Model/CategoriesModel\.php</exclude-pattern>
        <exclude-pattern type="relative">src/administrator/components/com_volunteers/src/Model/ExtensionModel\.php</exclude-pattern>
    </rule>

    <rule ref="PSR1.Methods.CamelCapsMethodName.NotCamelCaps">
        <exclude-pattern type="relative">build/linklib/LinkHelper\.php</exclude-pattern>
        <exclude-pattern type="relative">src/components/com_volunteer/src/Helper/JedHelper\.php</exclude-pattern>
        <exclude-pattern type="relative">administrator/components/com_volunteers/script\.php</exclude-pattern>
    </rule>

    <rule ref="PSR2.Methods.MethodDeclaration.Underscore">
        <exclude-pattern type="relative">src/administrator/components/com_volunteers/src/Table/*\.php</exclude-pattern>
    </rule>

    <rule ref="PSR1.Files.SideEffects.FoundWithSymbols">
        <exclude-pattern type="relative">build/tasks/ZipmeTask\.php</exclude-pattern>
    </rule>

    <rule ref="Squiz.Classes.ValidClassName">
        <exclude-pattern type="relative">administrator/components/com_volunteers/script\.php</exclude-pattern>
    </rule>
</ruleset>