ruleset.xml

<?xml version="1.0"?>
<ruleset name="surf">
    <!-- relative path from PHPCS source location -->
    <config name="installed_paths" value="vendor/slevomat/coding-standard"/>

    <!-- include all sniffs in the PSR2 standard -->
    <rule ref="PSR2"/>

    <rule ref="Generic.Files.LineLength">
        <properties>
            <property name="lineLimit" value="300"/>
            <property name="absoluteLineLimit" value="0"/>
        </properties>
    </rule>

    <rule ref="vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/Namespaces/AlphabeticallySortedUsesSniff.php">
        <properties>
            <property name="caseSensitive" value="false"/>
        </properties>
    </rule>

    <!-- specific sniffs to include -->
    <rule ref="vendor/slevomat/coding-standard/SlevomatCodingStandard/Sniffs/TypeHints/DeclareStrictTypesSniff.php">
        <properties>
            <property name="newlinesCountBetweenOpenTagAndDeclare" value="2"/>
            <property name="newlinesCountAfterDeclare" value="2"/>
            <property name="spacesCountAroundEqualsSign" value="0"/>
        </properties>
    </rule>
</ruleset>