Brennan's WordPress PHPCS Standard. A customized PHPCS Standard that prefers PSR-12 over WPCS. Any WPCS conflicts with PSR-12 are added as exclusions.

phpcs.xml

<?xml version="1.0"?>
<ruleset name="Brennan's WordPress PHPCS Standard" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <description>Customized WordPress Coding Standard that prefers PSR-12 over WPCS.</description>
    
    <!-- Standards to use -->
    <config name="default_standard" value="PSR12" />
    <config name="installed_paths" value="vendor/wp-coding-standards/wpcs,vendor/phpcompatibility/php-compatibility,vendor/phpcompatibility/phpcompatibility-paragonie,vendor/phpcompatibility/phpcompatibility-wp" />

    <!-- What to scan -->
	<file>.</file>
	<exclude-pattern>/vendor/</exclude-pattern>
	<exclude-pattern>/node_modules/</exclude-pattern>
    <exclude-pattern>/tests/bootstrap.php</exclude-pattern>

    <!-- How to scan -->
	<!-- Usage instructions: https://github.com/squizlabs/PHP_CodeSniffer/wiki/Usage -->
	<!-- Annotated ruleset: https://github.com/squizlabs/PHP_CodeSniffer/wiki/Annotated-ruleset.xml -->
	<arg value="sp"/> <!-- Show sniff and progress -->
	<arg name="basepath" value="./"/><!-- Strip the file paths down to the relevant bit -->
	<arg name="colors"/>
	<arg name="extensions" value="php"/>
	<arg name="parallel" value="4"/><!-- Enables parallel processing when available for faster results. -->

    <!-- Rules: Check PHP version compatibility -->
	<!-- https://github.com/PHPCompatibility/PHPCompatibility#sniffing-your-code-for-compatibility-with-specific-php-versions -->
	<config name="testVersion" value="8.0-"/>

	<!-- Use PSR-12 instead of WordPres Coding Standards -->
	<rule ref="PSR12">
		<!-- This was causing recursive loops. It was causing a conflict with itself. -->
		<exclude name="PEAR.Functions.FunctionCallSignature"/>
	</rule>

    <!-- https://github.com/PHPCompatibility/PHPCompatibilityWP -->
	<rule ref="PHPCompatibilityWP"/>

    <!-- Rules: WordPress Coding Standards -->
	<!-- Exclusions in favor of PSR-12 -->
	<!-- https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards -->
	<!-- https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/wiki/Customizable-sniff-properties -->
	<config name="minimum_supported_wp_version" value="6.3"/>
	<rule ref="WordPress">
		<exclude name="Squiz.WhiteSpace"/>
		<exclude name="Generic.WhiteSpace"/>
		<exclude name="Generic.Classes.OpeningBraceSameLine"/>
		<exclude name="Generic.Functions.OpeningFunctionBraceKernighanRitchie"/>
		<exclude name="WordPress.WhiteSpace.ControlStructureSpacing"/>
		<exclude name="WordPress.WhiteSpace.OperatorSpacing"/>
		<exclude name="WordPress.WhiteSpace.CastStructureSpacing"/>
	</rule>
	<rule ref="WordPress.NamingConventions.PrefixAllGlobals">
		<properties>
			<!-- Value: replace the function, class, and variable prefixes used. Separate multiple prefixes with a comma. -->
			<property name="prefixes" type="array" value="{{CUSTOM_SLUG}}"/>
		</properties>
	</rule>
	<rule ref="WordPress.WP.I18n">
		<properties>
			<!-- Value: replace the text domain used. -->
			<property name="text_domain" type="array" value="{{CUSTOM_SLUG}}"/>
		</properties>
	</rule>
	<rule ref="WordPress.WhiteSpace.ControlStructureSpacing">
		<properties>
			<property name="blank_line_check" value="true"/>
		</properties>
	</rule>
</ruleset>