phpcs.xml

<?xml version="1.0"?>
<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
    <arg name="extensions" value="php" />

    <file>.</file>

    <exclude-pattern>tests/*</exclude-pattern>
    <exclude-pattern>.phan/*</exclude-pattern>
    <exclude-pattern>vendor/*</exclude-pattern>

    <!-- Use PSR 12 standard as default -->
    <rule ref="PSR12">
    </rule>

    <!-- Forbid some functions that should not be used (directly) -->
    <rule ref="Generic.PHP.ForbiddenFunctions">
        <properties>
            <property name="forbiddenFunctions" type="array">
                <element key="eval" value="null"/>
                <element key="create_function" value="null"/>
                <element key="unserialize" value="\Piwik\Common::safe_unserialize"/>
            </property>
        </properties>
    </rule>
</ruleset>