phpcs.xml

<?xml version="1.0"?>
<ruleset name="Gravity Wiz Coding Standards">
    <!-- See https://github.com/squizlabs/PHP_CodeSniffer/wiki/Annotated-ruleset.xml -->
    <!-- See https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards -->
    <!-- See https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/blob/develop/WordPress-Core/ruleset.xml -->

    <arg name="extensions" value="php,css"/>

    <file>.</file>

    <!-- Exclude Composer vendor directory. -->
    <exclude-pattern>*/vendor/*</exclude-pattern>

    <!-- Exclude NPM modules -->
    <exclude-pattern>*/node_modules/*</exclude-pattern>

    <!-- Handled by ESLint -->
    <exclude-pattern>*.js</exclude-pattern>

    <!-- Run against the PHPCompatibilityWP ruleset -->
    <rule ref="PHPCompatibilityWP"/>
    <config name="testVersion" value="5.6-"/>

    <!-- Turns on the WordPress Standard -->
    <rule ref="WordPress-Core">
        <exclude name="WordPress.PHP.YodaConditions.NotYoda" />
        <exclude name="WordPress.NamingConventions.ValidVariableName.UsedPropertyNotSnakeCase" />
        <exclude name="WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase" />
        <exclude name="WordPress.Files.FileName.InvalidClassFileName" />
        <exclude name="PEAR.Functions.FunctionCallSignature.MultipleArguments" />
        <exclude name="PEAR.Functions.FunctionCallSignature.ContentAfterOpenBracket" />
        <exclude name="PEAR.Functions.FunctionCallSignature.CloseBracketLine" />

        <!-- We frequently get form/field IDs back as different types, so sometimes non-strict is needed. -->
        <exclude name="WordPress.PHP.StrictComparisons" />
        <exclude name="WordPress.PHP.StrictInArray" />
        <exclude name="WordPress.PHP.StrictInArray.MissingTrueStrict" />
    </rule>

    <!-- Change certain errors to warnings -->
    <rule ref="WordPress.PHP.DontExtract.extract_extract">
        <type>warning</type>
    </rule>
</ruleset>