phpcs.xml

<?xml version="1.0"?>

<ruleset name="PHP_CodeSniffer">
    <description>PHPCS configuration file.</description>

    <!-- Where to lint -->
    <file>lib</file>
    <file>test</file>
    <file>examples</file>

    <!-- What to exclude -->
    <exclude-pattern>*/bin/*</exclude-pattern>
    <exclude-pattern>*/vendor/*</exclude-pattern>

    <!-- Only lint PHP files -->
    <arg name="extensions" value="php" />

    <!-- Ignore warnings and display ERRORS only -->
    <arg value="np" />

    <!-- Use the PSR12 ruleset -->
    <rule ref="PSR12">
        <!-- None of our functions are camel caps and would be a massive breaking change -->
        <exclude name="PSR1.Methods.CamelCapsMethodName.NotCamelCaps" />
        <!-- TODO: Rename functions with prefixed underscores -->
        <exclude name="PSR2.Methods.MethodDeclaration.Underscore" />
    </rule>
</ruleset>