bitExpert\Disco\Annotations\Bean::parseBooleanValue PHP Метод

    protected function parseBooleanValue($value) : bool
    {
        if (is_bool($value)) {
            return $value;
        } elseif (is_string($value)) {
            $value = strtolower($value);
            return 'true' === $value;
        }
        // anything else is simply casted to bool
        return (bool) $value;
    }