Pico/.phpcs.xml

<?xml version="1.0"?>
<ruleset name="Pico">
    <description>
        Pico's coding standards mainly base on the PHP-FIG PSR-2 standard,
        but without the MissingNamespace sniff.
    </description>

    <!--
        Run on current working directory by default
    -->
    <file>.</file>

    <!--
        Exclude _build/ and vendor/ dirs as well as minified JavaScript files
    -->
    <exclude-pattern type="relative">^_build/</exclude-pattern>
    <exclude-pattern type="relative">^vendor/</exclude-pattern>
    <exclude-pattern>*.min.js</exclude-pattern>

    <!--
        Check files for PHP syntax errors
    -->
    <config name="php_path" value="php"/>
    <rule ref="Generic.PHP.Syntax"/>

    <!--
        Never use deprecated functions,
        as they will be removed in future PHP releases
    -->
    <rule ref="Generic.PHP.DeprecatedFunctions"/>

    <!--
        Warn about structures which affect performance negatively
    -->
    <rule ref="Generic.CodeAnalysis.ForLoopWithTestFunctionCall"/>

    <!--
        Pico follows PHP-FIG PSR-2 Coding Style,
        but doesn't use formal namespaces for historic reasons
    -->
    <rule ref="PSR2">
        <exclude name="PSR1.Classes.ClassDeclaration.MissingNamespace"/>
    </rule>
</ruleset>