server/psalm.xml

<?xml version="1.0"?>
<psalm
	errorLevel="4"
	resolveFromConfigFile="true"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="https://getpsalm.org/schema/config"
	xsi:schemaLocation="https://getpsalm.org/schema/config"
    errorBaseline="build/psalm-baseline.xml"
	findUnusedBaselineEntry="false"
	findUnusedCode="false"
>
	<plugins>
		<plugin filename="build/psalm/AppFrameworkTainter.php" />
	</plugins>
	<projectFiles>
		<directory name="apps/admin_audit"/>
		<directory name="apps/cloud_federation_api"/>
		<directory name="apps/comments"/>
		<directory name="apps/contactsinteraction"/>
		<directory name="apps/dashboard"/>
		<directory name="apps/dav"/>
		<directory name="apps/encryption"/>
		<directory name="apps/federatedfilesharing"/>
		<directory name="apps/federation"/>
		<directory name="apps/files"/>
		<directory name="apps/files_external"/>
		<directory name="apps/files_sharing"/>
		<directory name="apps/files_trashbin"/>
		<directory name="apps/files_versions"/>
		<directory name="apps/lookup_server_connector"/>
		<directory name="apps/oauth2"/>
		<directory name="apps/provisioning_api"/>
		<directory name="apps/settings"/>
		<directory name="apps/sharebymail"/>
		<directory name="apps/systemtags"/>
		<directory name="apps/testing"/>
		<directory name="apps/theming"/>
		<directory name="apps/twofactor_backupcodes"/>
		<directory name="apps/updatenotification"/>
		<directory name="apps/user_ldap"/>
		<directory name="apps/user_status"/>
		<directory name="apps/weather_status"/>
		<directory name="apps/workflowengine"/>
		<directory name="core"/>
		<directory name="lib"/>
		<directory name="ocs"/>
		<directory name="ocs-provider"/>
		<file name="cron.php"/>
		<file name="index.php"/>
		<file name="public.php"/>
		<file name="remote.php"/>
		<file name="status.php"/>
		<file name="version.php"/>
		<ignoreFiles>
			<directory name="apps/**/composer"/>
			<directory name="apps/**/tests"/>
			<directory name="apps/files_external/3rdparty"/>
			<directory name="lib/composer"/>
			<directory name="lib/l10n"/>
		</ignoreFiles>
	</projectFiles>
	<extraFiles>
		<directory name="3rdparty"/>
		<directory name="apps/files_external/3rdparty"/>
	</extraFiles>
	<stubs>
		<file name="build/stubs/apcu.php"/>
		<file name="build/stubs/gd.php"/>
		<file name="build/stubs/imagick.php"/>
		<file name="build/stubs/intl.php"/>
		<file name="build/stubs/IntlChar.php"/>
		<file name="build/stubs/SensitiveParameter.phpstub"/>
		<file name="build/stubs/ldap.php"/>
		<file name="build/stubs/memcached.php"/>
		<file name="build/stubs/redis.php"/>
		<file name="build/stubs/redis_cluster.php"/>
		<file name="build/stubs/sftp.php"/>
		<file name="build/stubs/ssh2.php"/>
		<file name="build/stubs/xsl.php"/>
		<file name="build/stubs/ftp.php"/>
		<file name="build/stubs/pcntl.php"/>
		<file name="build/stubs/zip.php"/>
		<file name="build/stubs/psr_container.php"/>
		<file name="3rdparty/sabre/uri/lib/functions.php" />
		<file name="build/stubs/app_api.php" />
	</stubs>
	<issueHandlers>
		<LessSpecificReturnStatement errorLevel="error"/>
		<LessSpecificReturnType errorLevel="error"/>
		<LessSpecificImplementedReturnType errorLevel="error"/>
		<MoreSpecificReturnType errorLevel="error"/>
		<UndefinedClass>
			<errorLevel type="suppress">
				<referencedClass name="OCA\Circles\CirclesManager"/>
				<referencedClass name="OCA\Circles\Exceptions\CircleNotFoundException"/>
				<referencedClass name="OCA\Circles\Model\Circle"/>
				<referencedClass name="OCA\Circles\Model\Member"/>
				<referencedClass name="OCA\GroupFolders\Mount\GroupFolderStorage"/>
				<referencedClass name="OCA\TwoFactorNextcloudNotification\Controller\APIController"/>
				<referencedClass name="OCA\GlobalSiteSelector\Service\SlaveService"/>
			</errorLevel>
		</UndefinedClass>
		<UndefinedFunction>
			<errorLevel type="suppress">
				<!-- template functions: https://github.com/nextcloud/server/blob/6e8e34fef920a073118c22111f0f31eb3b3a91dc/lib/private/legacy/template/functions.php -->
				<referencedFunction name="p"/>
				<referencedFunction name="emit_css_tag"/>
				<referencedFunction name="emit_css_loading_tags"/>
				<referencedFunction name="emit_script_tag"/>
				<referencedFunction name="emit_script_loading_tags"/>
				<referencedFunction name="print_unescaped"/>
				<referencedFunction name="script"/>
				<referencedFunction name="vendor_script"/>
				<referencedFunction name="style"/>
				<referencedFunction name="vendor_style"/>
				<referencedFunction name="translation"/>
				<referencedFunction name="component"/>
				<referencedFunction name="link_to"/>
				<referencedFunction name="link_to_docs"/>
				<referencedFunction name="image_path"/>
				<referencedFunction name="mimetype_icon"/>
				<referencedFunction name="preview_icon"/>
				<referencedFunction name="publicPreview_icon"/>
				<referencedFunction name="human_file_size"/>
				<referencedFunction name="strip_time"/>
				<referencedFunction name="relative_modified_date"/>
				<referencedFunction name="html_select_options"/>
			</errorLevel>
		</UndefinedFunction>
		<UndefinedGlobalVariable>
			<errorLevel type="suppress">
				<referencedVariable name="$_"/>
				<referencedVariable name="$l"/>
				<referencedVariable name="$theme"/>
				<!-- false positive: https://github.com/nextcloud/server/blob/cb057829f72c70e819f456edfadbb29d72dba832/lib/private/Console/Application.php#L92 -->
				<file name="core/register_command.php" />
			</errorLevel>
		</UndefinedGlobalVariable>
		<UndefinedDocblockClass>
			<errorLevel type="suppress">
				<!-- Helper classes for sharing API integration from other apps -->
				<referencedClass name="OCA\Deck\Sharing\ShareAPIHelper" />
				<referencedClass name="OCA\Talk\Share\Helper\DeletedShareAPIController" />
				<referencedClass name="OCA\GlobalSiteSelector\Service\SlaveService"/>
			</errorLevel>
		</UndefinedDocblockClass>
	</issueHandlers>
</psalm>