phpcs.xml

<?xml version="1.0"?>
<ruleset name="WordPress-RPBChessboard">

    <rule ref="WordPress-Extra">

        <!-- Ignore naming convention rules relative to snake-case and "class-" prefix -->
        <exclude name="WordPress.Files.FileName.InvalidClassFileName"/>
        <exclude name="WordPress.NamingConventions.ValidVariableName.PropertyNotSnakeCase"/>
        <exclude name="WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase"/>
        <exclude name="WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase"/>
        <exclude name="WordPress.NamingConventions.ValidVariableName.InterpolatedVariableNotSnakeCase"/>
        <exclude name="WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid"/>

        <!-- FIXME refactor internationalized strings to comply with these rules -->
        <exclude name="WordPress.WP.I18n.MissingTranslatorsComment"/>
        <exclude name="WordPress.WP.I18n.NonSingularStringLiteralText"/>

        <!-- It would be highly suitable to not ignore this rule relative to nonce checking.
        However, its implementation generates a large number of false-positive detection. -->
        <exclude name="WordPress.Security.NonceVerification.Missing"/>
        <exclude name="WordPress.Security.NonceVerification.Recommended"/>

        <!-- Harmful code formatting rules -->
        <exclude name="Squiz.PHP.EmbeddedPhp.ContentBeforeOpen"/>
        <exclude name="Squiz.PHP.EmbeddedPhp.SpacingBeforeClose"/>
        <exclude name="Generic.WhiteSpace.DisallowSpaceIndent"/>
        <exclude name="Generic.WhiteSpace.ScopeIndent.IncorrectExact"/>
        <exclude name="Generic.WhiteSpace.ScopeIndent.Incorrect"/>
    </rule>

    <rule ref="Generic.WhiteSpace.DisallowTabIndent"/>

    <arg name="extensions" value="php"/>
</ruleset>