method_exists

<?php     private static function extract(object|array|string|int|float|bool|null $plate, string $part): mixed {

        $return = '';

        if (is_object($plate)) {

            if (method_exists($plate, $part)) {

                $return = call_user_func([$plate, $part]);

            } else if ($plate instanceof PHPlater) {

                $return = $plate->getPlate($part);