psalm.xml

<?xml version="1.0"?>
<psalm
    cacheDirectory="var/cache/psalm"
    ensureArrayStringOffsetsExist="true"
    findUnusedVariablesAndParams="true"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns="https://getpsalm.org/schema/config"
    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
>
    <projectFiles>
        <directory name="platform/src"/>
        <directory name="src"/>
        <ignoreFiles>
            <directory name="vendor"/>
            <directory name="platform/src/Recovery" />
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <!-- Shopware related issues which are ignored -->
        <UnusedMethodCall>
            <errorLevel type="info">
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeBuilder::end"/>
            </errorLevel>
        </UnusedMethodCall>
        <UnusedVariable>
            <errorLevel type="info">
                <file name="platform/src/Docs/Resources/current/2-internals/1-core/50-checkout-process/_examples/10-cart-example.php"/>
            </errorLevel>
        </UnusedVariable>
        <UnusedFunctionCall>
            <errorLevel type="info">
                <referencedFunction name="iterator_to_array"/>
            </errorLevel>
        </UnusedFunctionCall>
        <UndefinedDocblockClass>
            <errorLevel type="suppress">
                <referencedClass name="Symfony\Component\DependencyInjection\ContainerAwareTrait"/> <!-- Issue with loading traits in Docblocks -->
            </errorLevel>
        </UndefinedDocblockClass>
        <InvalidCast>
            <errorLevel type="info">
                <file name="platform/src/Core/Profiling/Twig/DoctrineExtension.php"/>
            </errorLevel>
        </InvalidCast>
        <UndefinedConstant>
            <errorLevel type="info">
                <file name="platform/src/Core/Framework/Test/Plugin/Util/PluginFinderTest.php"/>
                <file name="platform/src/Core/Framework/Test/TestCaseBase/KernelLifecycleManagerTest.php"/>
                <file name="platform/src/Core/Framework/Test/Plugin/KernelPluginLoader/DbalKernelPluginLoaderTest.php"/>
                <file name="platform/src/Core/Framework/Test/Plugin/KernelPluginLoader/StaticKernelPluginLoaderTest.php"/>
                <file name="platform/src/Core/Framework/Test/Plugin/KernelPluginIntegrationTest.php"/>
                <file name="platform/src/Core/Migration/Test/BasicDataUntouchedTest.php"/>
                <file name="platform/src/Docs/Resources/current/2-internals/1-core/50-checkout-process/_examples/10-cart-example.php"/>
            </errorLevel>
        </UndefinedConstant>
        <InvalidScope>
            <errorLevel type="info">
                <directory name="platform/src/Core/Flag"/>
                <directory name="platform/src/Core/Framework/Test/FeatureFlag"/>
            </errorLevel>
        </InvalidScope>
        <MissingFile>
            <errorLevel type="info">
                <file name="platform/src/Core/Framework/Test/FeatureFlag/FeatureTest.php"/>
            </errorLevel>
        </MissingFile>

        <LessSpecificReturnType errorLevel="info"/>

        <!-- level 3 issues - slightly lazy code writing, but provably low false-negatives -->

        <DeprecatedMethod errorLevel="info"/>
        <DeprecatedProperty errorLevel="info"/>
        <DeprecatedClass errorLevel="info"/>
        <DeprecatedConstant errorLevel="info"/>
        <DeprecatedFunction errorLevel="info"/>
        <DeprecatedInterface errorLevel="info"/>
        <DeprecatedTrait errorLevel="info"/>

        <InternalMethod errorLevel="info"/>
        <InternalProperty errorLevel="info"/>
        <InternalClass errorLevel="info"/>

        <MissingClosureReturnType errorLevel="info"/>
        <MissingReturnType errorLevel="info"/>
        <MissingPropertyType errorLevel="info"/>
        <InvalidDocblock errorLevel="info"/>
        <MisplacedRequiredParam errorLevel="info"/>

        <PropertyNotSetInConstructor errorLevel="info"/>
        <MissingConstructor errorLevel="info"/>
        <MissingClosureParamType errorLevel="info"/>
        <MissingParamType errorLevel="info"/>

        <RedundantCondition errorLevel="info"/>

        <DocblockTypeContradiction errorLevel="info"/>
        <RedundantConditionGivenDocblockType errorLevel="info"/>

        <UnresolvableInclude errorLevel="info"/>

        <RawObjectIteration errorLevel="info"/>

        <InvalidStringClass errorLevel="info"/>

        <!-- level 4 issues - points to possible deficiencies in logic, higher false-positives -->

        <MoreSpecificReturnType errorLevel="info"/>
        <LessSpecificReturnStatement errorLevel="info"/>
        <TypeCoercion errorLevel="info"/>

        <PossiblyFalseArgument errorLevel="info"/>
        <PossiblyFalseIterator errorLevel="info"/>
        <PossiblyFalseOperand errorLevel="info"/>
        <PossiblyFalsePropertyAssignmentValue errorLevel="info"/>
        <PossiblyFalseReference errorLevel="info"/>
        <PossiblyInvalidArgument errorLevel="info"/>
        <PossiblyInvalidArrayAccess errorLevel="info"/>
        <PossiblyInvalidArrayAssignment errorLevel="info"/>
        <PossiblyInvalidArrayOffset errorLevel="info"/>
        <PossiblyInvalidCast errorLevel="info"/>
        <PossiblyInvalidFunctionCall errorLevel="info"/>
        <PossiblyInvalidIterator errorLevel="info"/>
        <PossiblyInvalidMethodCall errorLevel="info"/>
        <PossiblyInvalidOperand errorLevel="info"/>
        <PossiblyInvalidPropertyAssignment errorLevel="info"/>
        <PossiblyInvalidPropertyAssignmentValue errorLevel="info"/>
        <PossiblyInvalidPropertyFetch errorLevel="info"/>
        <PossiblyNullArgument errorLevel="info"/>
        <PossiblyNullArrayAccess errorLevel="info"/>
        <PossiblyNullArrayAssignment errorLevel="info"/>
        <PossiblyNullArrayOffset errorLevel="info"/>
        <PossiblyNullFunctionCall errorLevel="info"/>
        <PossiblyNullIterator errorLevel="info"/>
        <PossiblyNullOperand errorLevel="info"/>
        <PossiblyNullPropertyAssignment errorLevel="info"/>
        <PossiblyNullPropertyAssignmentValue errorLevel="info"/>
        <PossiblyNullPropertyFetch errorLevel="info"/>
        <PossiblyNullReference errorLevel="info"/>
        <PossiblyUndefinedGlobalVariable errorLevel="info"/>
        <PossiblyUndefinedVariable errorLevel="info"/>
        <PossiblyUndefinedArrayOffset errorLevel="info"/>
        <PossiblyUndefinedMethod errorLevel="info"/>

        <!-- level 5 issues - should be avoided at mosts costs... -->

        <ForbiddenCode errorLevel="info"/>
        <ImplicitToStringCast errorLevel="info"/>
        <InvalidScalarArgument errorLevel="info"/>
        <InvalidToString errorLevel="info"/>
        <InvalidOperand errorLevel="info"/>
        <NoInterfaceProperties errorLevel="info"/>
        <TooManyArguments errorLevel="info"/>
        <TypeDoesNotContainType errorLevel="info"/>
        <TypeDoesNotContainNull errorLevel="info"/>
        <MissingDocblockType errorLevel="info"/>
        <ImplementedReturnTypeMismatch errorLevel="info"/>
        <ImplementedParamTypeMismatch errorLevel="info"/>

        <!-- level 6 issues - really bad things -->

        <InvalidNullableReturnType errorLevel="info"/>
        <NullableReturnStatement errorLevel="info"/>
        <InvalidFalsableReturnType errorLevel="info"/>
        <FalsableReturnStatement errorLevel="info"/>

        <MoreSpecificImplementedParamType errorLevel="info"/>
        <LessSpecificImplementedReturnType errorLevel="info"/>

        <InvalidReturnStatement errorLevel="info"/>
        <InvalidReturnType errorLevel="info"/>
        <UndefinedThisPropertyAssignment errorLevel="info"/>
        <UndefinedInterfaceMethod errorLevel="info"/>

        <!-- level 7 issues - even worse -->

        <UndefinedThisPropertyAssignment errorLevel="info"/>
        <UndefinedPropertyAssignment errorLevel="info"/>
        <UndefinedThisPropertyFetch errorLevel="info"/>
        <UndefinedPropertyFetch errorLevel="info"/>

        <InvalidReturnStatement errorLevel="info"/>
        <InvalidReturnType errorLevel="info"/>
        <InvalidArgument errorLevel="info"/>
        <InvalidPropertyAssignmentValue errorLevel="info"/>
        <InvalidArrayOffset errorLevel="info"/>
        <InvalidArrayAssignment errorLevel="info"/>
    </issueHandlers>
</psalm>