phpcs.xml

<?xml version="1.0"?>
<ruleset name="Coding standard">
    <description>Coding standard for WordPress plugins</description>

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

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

    <!-- include .php files -->
    <file>inc</file>
    <file>spcl.php</file>

    <!-- ignore vendor files-->
    <exclude-pattern>vendor/*</exclude-pattern>

    <!-- WordPress coding standards -->
    <config name="minimum_supported_wp_version" value="3.7" />
    <rule ref="WordPress">
        <!-- PHP 5.2 compatibility does not support __DIR__ constant -->
        <exclude name="Modernize.FunctionCalls.Dirname.FileConstant" />
    </rule>
    <rule ref="WordPress.WP.I18n">
        <properties>
            <property name="text_domain" type="array" value="spcl" />
        </properties>
    </rule>

    <!-- Include sniffs for PHP cross-version compatibility. -->
    <config name="testVersion" value="5.2-"/>
    <rule ref="PHPCompatibility"/>
</ruleset>