phpcs.xml

<?xml version="1.0"?>
<ruleset>
	<!-- Check all PHP files in directory tree by default. -->
	<arg name="extensions" value="php"/>

	<file>.</file>

	<!-- Show progress and sniff codes in all reports -->
	<arg value="ps"/>

	<!-- Rules: Check PHP version compatibility -->
	<!-- https://github.com/PHPCompatibility/PHPCompatibility#sniffing-your-code-for-compatibility-with-specific-php-versions -->
	<config name="testVersion" value="7.4-"/>

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

	<!-- Ignore 3rd party libraries loaded by NPM -->
	<exclude-pattern>*/node_modules/*</exclude-pattern>

	<!-- Ignore 3rd party libraries loaded by Composer -->
	<exclude-pattern>*/vendor/*</exclude-pattern>

	<!-- Ignore asset files generated by @wordpress/scripts -->
	<exclude-pattern>*.asset.php</exclude-pattern>

	<rule ref="WordPress-Extra">
		<exclude name="WordPress.Files.FileName.InvalidClassFileName"/>
		<exclude name="WordPress.Files.FileName.NotHyphenatedLowercase"/>
	</rule>
	<rule ref="VariableAnalysis" />
	<rule ref="WordPress-Docs" />
</ruleset>