psalm.xml

<?xml version="1.0"?>
<psalm
        errorLevel="4"
        useDocblockPropertyTypes="true"
        usePhpDocMethodsWithoutMagicCall="true"
        strictBinaryOperands="true"
        ignoreInternalFunctionFalseReturn="false"
        ignoreInternalFunctionNullReturn="false"
        hideExternalErrors="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" />
        <file name="mollie-payments-for-woocommerce.php"/>
        <ignoreFiles>
            <directory name="vendor" />
            <directory name="tests" />
        </ignoreFiles>
    </projectFiles>
    <stubs>
        <file name="inc/functions.php"/>
        <file name=".psalm/stubs.php"/>
        <file name="vendor/php-stubs/wordpress-stubs/wordpress-stubs.php"/>
        <file name="vendor/php-stubs/woocommerce-stubs/woocommerce-stubs.php"/>
        <file name="vendor/php-stubs/woocommerce-stubs/woocommerce-packages-stubs.php"/>
    </stubs>
    <issueHandlers>
        <MixedAssignment errorLevel="suppress" />
        <MissingClosureParamType errorLevel="suppress" />
        <MissingClosureReturnType errorLevel="suppress" />
        <UnresolvableInclude errorLevel="suppress" />
        <ParadoxicalCondition errorLevel="suppress" />
        <UndefinedConstant errorLevel="info" />
        <AssignmentToVoid errorLevel="info"/>
        <DeprecatedClass errorLevel="info"/>
        <DeprecatedConstant errorLevel="info"/>
        <DeprecatedTrait errorLevel="info"/>
        <DocblockTypeContradiction errorLevel="info"/>
        <InvalidDocblock errorLevel="info"/>
        <InvalidDocblockParamName errorLevel="info"/>
        <InvalidTemplateParam errorLevel="info"/>
        <DeprecatedInterface errorLevel="info"/>
        <DeprecatedMethod errorLevel="info"/>
        <DeprecatedProperty errorLevel="info"/>
        <MethodSignatureMustOmitReturnType errorLevel="info"/>
        <MismatchingDocblockParamType errorLevel="info"/>
        <MismatchingDocblockReturnType errorLevel="info"/>
        <MissingDocblockType errorLevel="info"/>
        <MissingParamType errorLevel="info"/>
        <MissingTemplateParam errorLevel="info"/>
        <MissingThrowsDocblock errorLevel="info"/>
        <MixedArgumentTypeCoercion errorLevel="info"/>
        <MixedArrayAccess errorLevel="info"/>
        <MixedArrayAssignment errorLevel="info"/>
        <MixedArrayOffset errorLevel="info"/>
        <MixedArrayTypeCoercion errorLevel="info"/>
        <MixedAssignment errorLevel="info"/>
        <MixedFunctionCall errorLevel="info"/>
        <MixedInferredReturnType errorLevel="info"/>
        <MixedMethodCall errorLevel="info"/>
        <MixedOperand errorLevel="info"/>
        <MixedPropertyAssignment errorLevel="info"/>
        <MixedPropertyFetch errorLevel="info"/>
        <MixedPropertyTypeCoercion errorLevel="info"/>
        <MixedReturnStatement errorLevel="info"/>
        <MixedReturnTypeCoercion errorLevel="info"/>
        <MixedStringOffsetAssignment errorLevel="info"/>
        <ParamNameMismatch errorLevel="info"/>
        <RedundantCastGivenDocblockType errorLevel="info"/>
        <TooManyArguments>
            <errorLevel type="suppress">
                <referencedFunction name="apply_filters" />
            </errorLevel>
        </TooManyArguments>

        <UndefinedMethod errorLevel="suppress"/>
        <UndefinedFunction errorLevel="suppress"/>
        <UndefinedClass errorLevel="suppress"/>
        <InvalidScalarArgument errorLevel="suppress"/>
        <RedundantCast errorLevel="suppress"/>
        <InvalidOperand errorLevel="suppress"/>
        <NullArrayAccess errorLevel="suppress"/>
        <RedundantCondition errorLevel="suppress"/>
        <NullableReturnStatement errorLevel="suppress"/>
        <InvalidArgument errorLevel="suppress"/>
        <InvalidReturnType errorLevel="suppress"/>
        <InvalidReturnStatement errorLevel="suppress"/>
        <UndefinedDocblockClass errorLevel="suppress"/>
        <FalsableReturnStatement errorLevel="suppress"/>
        <InvalidParamDefault errorLevel="suppress"/>
        <ImplementedReturnTypeMismatch errorLevel="suppress"/>
        <MoreSpecificImplementedParamType errorLevel="suppress"/>
        <MethodSignatureMismatch errorLevel="suppress"/>
        <ReservedWord errorLevel="suppress"/>
        <UndefinedThisPropertyFetch errorLevel="suppress"/>
        <NoInterfaceProperties errorLevel="suppress"/>
        <TypeDoesNotContainType errorLevel="suppress"/>
    </issueHandlers>
</psalm>