locomotivemtl / charcoal-property

            return '';

        }

        if ($lang === null) {

            $lang = $this->translator()->getLocale();

        } elseif (!is_string($lang)) {

            throw new InvalidArgumentException(

                'The language to render as must be a string.'

            );

        }

        $origLang = $this->translator()->getLocale();

        $this->translator()->setLocale($lang);

            ));

        }

        if ($lang === null) {

            $lang = $this->translator()->getLocale();

        } elseif (!is_string($lang)) {

            throw new InvalidArgumentException(sprintf(

                'Language must be a string for Property "%s"',

                $this->ident

            ));

        }

        return sprintf('%1$s_%2$s', $this->ident, $lang);

    }