psalm.xml

<?xml version="1.0"?>
<psalm
    errorLevel="1"
    resolveFromConfigFile="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"
    findUnusedBaselineEntry="true"
    findUnusedCode="true"
    autoloader="vendor/autoload.php"
>

    <issueHandlers>
        <!-- Info warnings -->
        <PossiblyUnusedMethod errorLevel="info" />
        <PossiblyUnusedReturnValue errorLevel="info" />
        <UnusedClass errorLevel="info" />
        <!-- I do not care for these at all -->
        <MixedAssignment errorLevel="suppress" />
        <MixedArgumentTypeCoercion errorLevel="suppress" />
    </issueHandlers>

    <projectFiles>
        <directory name="./" />
        <ignoreFiles>
            <file name="**/unitary-*.php" />
            <directory name="**/tests" />
            <directory name="**/examples" />
            <directory name="vendor" />
        </ignoreFiles>
    </projectFiles>
</psalm>