psalm.xml

<?xml version="1.0"?>
<psalm
    cacheDirectory="var/cache/psalm"
    autoloader="bin/static-analyze-autoloader.php"
    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="src"/>
        <directory name="tests"/>
        <ignoreFiles>
            <directory name="../../../platform"/> <!-- would otherwise inspect Shopware -->
            <directory name="../../../vendor"/> <!-- would otherwise inspect vendor -->
        </ignoreFiles>
    </projectFiles>

    <issueHandlers>
        <MoreSpecificImplementedParamType>
            <errorLevel type="info">
                <file name="src/Webhook/Handler/*.php"/>
                <file name="src/Pos/Sync/Product/Util/ProductGroupingCollection.php"/>
                <file name="src/Pos/DataAbstractionLayer/Entity/*Collection.php"/>
                <file name="src/Pos/MessageQueue/Handler/Sync/*Handler.php"/>
                <file name="src/Pos/Webhook/Handler/*Handler.php"/>
            </errorLevel>
        </MoreSpecificImplementedParamType>

        <UnusedMethodCall>
            <errorLevel type="info">
                <file name="src/Setting/SwagPayPalSettingStructValidator.php"/>
            </errorLevel>
        </UnusedMethodCall>

        <InvalidReturnType>
            <errorLevel type="info">
                <directory name="tests/Mock"/>
                <directory name="tests/Pos/Mock"/>
            </errorLevel>
        </InvalidReturnType>

        <InternalMethod>
            <errorLevel type="info">
                <file name="src/Pos/Command/*Command.php"/>
                <file name="src/Pos/Schedule/*Handler.php"/>
                <directory name="tests"/>
            </errorLevel>
        </InternalMethod>

        <DeprecatedClass>
            <errorLevel type="info">
                <!-- <deprecated> tag:v3.0.0 - remove with 3.0.0 -->
                <file name="src/Checkout/ExpressCheckout/Route/ExpressApprovePaymentRoute.php"/>
                <file name="tests/Checkout/ExpressCheckout/ExpressCheckoutControllerTest.php"/>
            </errorLevel>
        </DeprecatedClass>

        <DeprecatedInterface>
            <errorLevel type="info">
                <referencedClass name="Shopware\Core\Framework\DataAbstractionLayer\EntityExtensionInterface"/>
            </errorLevel>
        </DeprecatedInterface>

        <DeprecatedTrait>
            <errorLevel type="info">
                <directory name="tests"/>
            </errorLevel>
        </DeprecatedTrait>

        <DeprecatedMethod>
            <errorLevel type="info">
                <!-- ToDo PPI-65 - Change for 6.4 to PurchasePrice collection -->
                <referencedMethod name="Shopware\Core\Content\Product\ProductEntity::getPurchasePrice"/>
                <referencedMethod name="Shopware\Core\Content\Product\ProductEntity::setPurchasePrice"/>
                <referencedMethod name="Shopware\Core\Framework\Test\TestCaseBase\AssertArraySubsetBehaviour::silentAssertArraySubset"/>
                <!-- <deprecated> tag:v3.0.0 - remove with 3.0.0 -->
                <referencedMethod name="Swag\PayPal\Checkout\ExpressCheckout\ExpressCheckoutController::createNewCart"/>
                <referencedMethod name="Swag\PayPal\Checkout\ExpressCheckout\ExpressCheckoutController::createPayment"/>
                <referencedMethod name="Swag\PayPal\Checkout\ExpressCheckout\ExpressCheckoutController::onApprove"/>
            </errorLevel>
        </DeprecatedMethod>

        <PossiblyInvalidArgument>
            <errorLevel type="info">
                <file name="tests/Pos/Sync/Product/*Test.php"/>
                <file name="tests/Pos/Sync/Inventory/StockSubscriberTest.php"/>
            </errorLevel>
        </PossiblyInvalidArgument>

        <PossiblyUndefinedMethod>
            <errorLevel type="info">
                <file name="tests/Pos/Sync/Product/*Test.php"/>
                <file name="tests/Pos/Sync/Inventory/StockSubscriberTest.php"/>
            </errorLevel>
        </PossiblyUndefinedMethod>

        <UnresolvableInclude>
            <errorLevel type="info">
                <file name="tests/TestBootstrap.php"/>
            </errorLevel>
        </UnresolvableInclude>

        <PossiblyNullReference>
            <errorLevel type="info">
                <!-- Psalm does not recognize the markTestSkipped method call as terminating -->
                <file name="tests/Checkout/ExpressCheckout/ExpressCheckoutSubscriberTest.php"/>
            </errorLevel>
        </PossiblyNullReference>

        <UnsafeInstantiation>
            <errorLevel type="info">
                <file name="tests/Pos/Mock/Repositories/AbstractRepoMock.php"/>
            </errorLevel>
        </UnsafeInstantiation>

        <!-- level 3 issues - slightly lazy code writing, but provably low false-negatives -->
        <PropertyNotSetInConstructor errorLevel="info"/>
        <MissingConstructor errorLevel="info"/>
    </issueHandlers>
</psalm>