psalm.xml

<?xml version="1.0"?>
<psalm
        allowStringToStandInForClass="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" />
        <ignoreFiles>
            <file name="src/App/Shared/Infrastructure/Kernel.php"/>
            <directory name="tests" />
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>

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

        <DeprecatedClass>
            <errorLevel type="info">
                <referencedClass name="Doctrine\Common\Persistence\ManagerRegistry" />
                <referencedClass name="Doctrine\Common\Persistence\Mapping\ClassMetadata" />
                <referencedClass name="Doctrine\Common\Persistence\ObjectManager" />
                <referencedClass name="Doctrine\Common\Persistence\ObjectRepository" />
                <referencedClass name="Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand" />
                <referencedClass name="Symfony\Bundle\FrameworkBundle\Controller\Controller" />
                <referencedClass name="Symfony\Bundle\FrameworkBundle\Templating\EngineInterface" />
                <referencedClass name="Symfony\Component\Security\Core\Role\Role" />
            </errorLevel>
        </DeprecatedClass>
        <DeprecatedInterface>
            <errorLevel type="info">
                <referencedClass name="Doctrine\Common\Persistence\ObjectManager" />
                <referencedClass name="Doctrine\Common\Persistence\ObjectRepository" />
                <referencedClass name="Symfony\Component\Security\Core\User\AdvancedUserInterface" />
            </errorLevel>
        </DeprecatedInterface>
        <DeprecatedMethod>
            <errorLevel type="info">
                <referencedMethod name="Symfony\Component\EventDispatcher\Event::stopPropagation" />
                <referencedMethod name="Symfony\Component\HttpKernel\Kernel::getRootDir" />
                <referencedMethod name="Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent::getException" />
            </errorLevel>
        </DeprecatedMethod>

        <InternalMethod>
            <errorLevel type="info">
                <referencedMethod name="PHPUnit\Framework\TestCase::__construct" />
                <referencedMethod name="Symfony\Bundle\SecurityBundle\Security\_FirewallMap::getFirewallConfig" />
            </errorLevel>
        </InternalMethod>

        <MissingReturnType errorLevel="info" />

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

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

        <MoreSpecificReturnType errorLevel="info" />
        <LessSpecificReturnStatement 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" />
        <PossiblyUndefinedMethod>
            <errorLevel type="info">
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeDefinition::arrayNode" />
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeDefinition::booleanNode" />
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeDefinition::children" />
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeDefinition::integerNode" />
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeDefinition::scalarNode" />
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeDefinition::variableNode" />
                <referencedMethod name="Symfony\Component\Config\Definition\Builder\NodeParentInterface::end" />
            </errorLevel>
        </PossiblyUndefinedMethod>

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

        <TooManyArguments>
            <errorLevel type="info">
                <referencedFunction name="Symfony\Contracts\EventDispatcher\EventDispatcherInterface::dispatch" />
                <referencedFunction name="Symfony\Component\HttpKernel\Config\FileLocator::__construct" />
                <referencedFunction name="Symfony\Contracts\EventDispatcher\EventDispatcherInterface::dispatch" />
            </errorLevel>
            <errorLevel type="suppress">
                <referencedFunction name="Doctrine\ORM\Query\Expr::andX" />
                <referencedFunction name="Doctrine\ORM\Query\Expr::orX" />
            </errorLevel>
        </TooManyArguments>

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

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

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

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

        <InvalidArgument>
            <errorLevel type="info">
                <referencedFunction name="Symfony\Component\EventDispatcher\EventDispatcherInterface::dispatch" />
            </errorLevel>
        </InvalidArgument>

        <!-- level 8 issues - some fatal errors in PHP -->

        <MethodSignatureMismatch errorLevel="info" />

        <!-- Custom -->

        <!-- remove after guzzlehttp-release -->
        <!-- see https://github.com/guzzle/guzzle/pull/2273 -->
        <InvalidCatch errorLevel="info" />
    </issueHandlers>
</psalm>