phpcs.xml

<?xml version="1.0"?>
<ruleset name="Mercury">
	<description>PHP_CodeSniffer standard for Mercury.</description>

	<!--
	Pass some flags to PHPCS:
	 p flag: Show progress of the run.
	 s flag: Show sniff codes in all reports.
	 n flag: Do not print warnings.
	-->
	<arg value="psn" />

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

	<arg name="parallel" value="1" />

	<!-- Only check the PHP files. -->
	<arg name="extensions" value="php" />

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

	<!-- Exclude a few directories and autogenerated files. -->
	<exclude-pattern>*/node_modules/*</exclude-pattern>
	<exclude-pattern>*/vendor/</exclude-pattern>
	<exclude-pattern>tests/</exclude-pattern>

	<rule ref="WordPress" />

	<!-- The version set here matches the minimum version tested in .travis.yml.  -->
	<config name="minimum_supported_wp_version" value="4.9" />

	<rule ref="Generic.Files.OneObjectStructurePerFile">
		<!--
		Increase severity. If it becomes a problem for this sniff to trigger an
		error, then we might want to provide feedback to the WPCS maintainers.
		See https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/pull/1111.
		-->
		<type>error</type>
	</rule>

	<rule ref="WordPress.WP.I18n">
		<properties>
			<!--
			Verify that the text_domain is set to the desired text-domain.
			Multiple valid text domains can be provided as a comma-delimited list.
			 -->
			<property name="text_domain" type="array" value="mercury" />
		</properties>
	</rule>

	<rule ref="Generic.PHP.ForbiddenFunctions">
		<properties>
			<!--
			WordPress.com VIP does not propagate wp_cache_set data across datacenters,
			largely to avoid attempting to propagate large (>50k) data for batcache.
			-->
			<property name="forbiddenFunctions" type="array" value="wp_cache_add=>wp_cache_set" />
			<!-- This is the newer format, only supported in PHPCS 3.3.0+
			<property name="forbiddenFunctions" type="array">
				<element key="wp_cache_add" value="wp_cache_set"/>
			</property> -->
		</properties>
	</rule>

	<rule ref="PEAR.Functions.FunctionCallSignature.ContentAfterOpenBracket">
		<type>warning</type>
	</rule>

	<rule ref="PEAR.Functions.FunctionCallSignature.MultipleArguments">
		<type>warning</type>
	</rule>

	<rule ref="PEAR.Functions.FunctionCallSignature.CloseBracketLine">
		<type>warning</type>
	</rule>

</ruleset>