ruleset.xml

<?xml version="1.0"?>
<ruleset name="My first 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>
        My custom rule set that checks my code...
    </description>

    <!--
        Import the entire cyclomatic complexity rule and
        customize the rule configuration.
    -->
    <rule ref="CyclomaticComplexity">
        <priority>1</priority>
        <properties>
            <property name="reportLevel" value="5" />
        </properties>
    </rule>

    <!-- Import entire naming rule set and exclude rules -->
    <rule ref="rulesets/naming.xml">
        <exclude name="ShortVariable" />
        <exclude name="LongVariable" />
    </rule>

    <!-- Import entire clean code rule set, modify StaticAccess rule -->
    <rule ref="rulesets/cleancode.xml">
        <exclude name="StaticAccess" />
    </rule>

    <!--rule ref="PSR12">
        <exclude name="PSR2.Methods.FunctionClosingBrace.SpacingBeforeClose" />
        <exclude name="PSR12.Operators.OperatorSpacing.NoSpaceBefore" />
        <exclude name="PSR12.Operators.OperatorSpacing.NoSpaceAfter" />
        <exclude name="PSR12.Functions.ReturnTypeDeclaration.SpaceBeforeColon" />
        <exclude name="PEAR.ControlStructures.MultiLineCondition.StartWithBoolean" />
        <exclude name="PEAR.ControlStructures.MultiLineCondition.SpacingAfterOpenBrace" />
    </rule-->

    <rule ref="PSR12">
    </rule>

    <!--rule ref="Squiz">
        <exclude name="Squiz.Commenting.ClosingDeclarationComment.Missing" />
        <exclude name="Squiz.Commenting.FileComment.Missing" />
        <exclude name="Squiz.Commenting.FunctionComment.ParamCommentFullStop" />
        <exclude name="Squiz.Commenting.FunctionComment.SpacingAfterParamType" />
        <exclude name="Squiz.Commenting.InlineComment.InvalidEndChar" />
        <exclude name="Squiz.Files.FileExtension.ClassFound" />
        <exclude name="Squiz.Operators.ComparisonOperatorUsage.ImplicitTrue" />
        <exclude name="Squiz.Operators.ComparisonOperatorUsage.NotAllowed" />
        <exclude name="Squiz.PHP.DisallowComparisonAssignment.AssignedComparison" />
        <exclude name="Squiz.WhiteSpace.ControlStructureSpacing.SpacingAfterOpen" />
        <exclude name="Squiz.WhiteSpace.ControlStructureSpacing.SpacingBeforeClose" />
        <exclude name="Squiz.WhiteSpace.FunctionClosingBraceSpace.SpacingBeforeClose" />
        <exclude name="Squiz.WhiteSpace.FunctionOpeningBraceSpace.SpacingAfter" />
        <exclude name="Squiz.WhiteSpace.FunctionSpacing.After" />
        <exclude name="Squiz.WhiteSpace.FunctionSpacing.AfterLast" />
        <exclude name="Squiz.WhiteSpace.FunctionSpacing.Before" />
        <exclude name="Squiz.WhiteSpace.FunctionSpacing.BeforeFirst" />
    </rule-->
    <rule ref="Squiz">
        <exclude name="Squiz.PHP.DisallowComparisonAssignment.AssignedComparison" />
        <exclude name="Squiz.WhiteSpace.FunctionOpeningBraceSpace.SpacingAfter" />
    </rule>


    <rule ref="rulesets/cleancode.xml/StaticAccess">
        <properties>
            <property name="exceptions">
                <value>
                  \DateTime,
                  \DateInterval,
                  \DateTimeZone
                </value>
            </property>
        </properties>
    </rule>
</ruleset>