NatLibFi / Skosmos

        $longUris = $this->resource->propertyUris();

        foreach ($longUris as &$prop) {

            if (EasyRdf\RdfNamespace::shorten($prop) !== null) {

                // shortening property labels if possible

                $prop = $sprop = EasyRdf\RdfNamespace::shorten($prop);

            } else {

                // EasyRdf requires full URIs to be in angle brackets

                $sprop = "<$prop>";

            }

            if ($whitelist && !in_array($prop, $whitelist)) {

                // whitelist in use and this is not a whitelisted property, skipping

        foreach ($longUris as &$prop) {

            // storing full URI without brackets in a separate variable

            $longUri = $prop;

            if (EasyRdf\RdfNamespace::shorten($prop) !== null) {

                // shortening property labels if possible

                $prop = $sprop = EasyRdf\RdfNamespace::shorten($prop);

            } else {

                // EasyRdf requires full URIs to be in angle brackets

                $sprop = "<$prop>";

            }

            if (!in_array($prop, $this->DELETED_PROPERTIES) || ($this->isGroup() === false && $prop === 'skos:member')) {