phpcs.xml

<?xml version="1.0"?>
<ruleset name="WordPress Coding Standards based custom ruleset for your plugin">
	<description>Generally-applicable sniffs for WordPress plugins.</description>
	<!--
	#############################################################################
	COMMAND LINE ARGUMENTS
	https://github.com/squizlabs/PHP_CodeSniffer/wiki/Annotated-ruleset.xml
	#############################################################################
	-->

	<!-- Pass some flags to PHPCS:
		 p flag: Show progress of the run.
		 s flag: Show sniff codes in all reports.
	-->
	<arg value="ps"/>

	<!-- Strip the filepaths down to the relevant bit. -->
	<arg name="basepath" value="./"/>

	<!-- Check up to 8 files simultanously. -->
	<arg name="parallel" value="8"/>

	<!-- Only check the PHP. CSS/SCSS/JS files are checked separately with linters. -->
	<arg name="extensions" value="php"/>

	<!-- Enable colors in the output -->
	<arg name="colors"/>

	<!-- Check all files in this directory and the directories below it. -->
	<file>.</file>

	<!--
	#############################################################################
	EXCLUDE SOME FILES AND FOLDERS
	#############################################################################
	-->

	<exclude-pattern>/build/</exclude-pattern>
	<exclude-pattern>/vendor/</exclude-pattern>
	<exclude-pattern>/node_modules/</exclude-pattern>

	<!--
	#############################################################################
	USE THE WordPress RULESET
	#############################################################################
	-->

	<!-- 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="5.7"/>

	<rule ref="WordPress">
		<exclude name="WordPress.Files.FileName.InvalidClassFileName"/>
		<!-- As we use PHP 5.4+ now, we can use the short array syntax -->
		<exclude name="Universal.Arrays.DisallowShortArraySyntax.Found" />
	</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="Unique_Title_Checker"/>
		</properties>
	</rule>
	<rule ref="WordPress.WP.I18n">
		<properties>
			<!-- Value: replace the text domain used. Separate multiple prefixes with a comma. -->
			<property name="text_domain" type="array" value="unique-title-checker"/>
		</properties>
	</rule>
	<rule ref="WordPress.WhiteSpace.ControlStructureSpacing">
		<properties>
			<property name="blank_line_check" value="true"/>
		</properties>
	</rule>


	<!--
	#############################################################################
	USE THE PHPCompatibility RULESET
	#############################################################################
	-->

	<!-- https://github.com/PHPCompatibility/PHPCompatibility#sniffing-your-code-for-compatibility-with-specific-php-versions -->
	<config name="testVersion" value="5.6-"/>
	<!-- https://github.com/PHPCompatibility/PHPCompatibilityWP -->
	<rule ref="PHPCompatibilityWP"/>

</ruleset>