Pimcore\Controller\Action\Frontend::setLocale PHP Метод

    public function setLocale($locale)
    {
        if ((string) $locale != self::$locale && \Zend_Locale::isLocale($locale)) {
            $locale = new \Zend_Locale($locale);
            \Zend_Registry::set('Zend_Locale', $locale);
            $this->getResponse()->setHeader("Content-Language", strtolower(str_replace("_", "-", (string) $locale)), true);
            // now we prepare everything for setlocale()
            $localeList = [(string) $locale . ".utf8"];
            if ($locale->getRegion()) {
                // add only the language to the list as a fallback
                $localeList[] = $locale->getLanguage() . ".utf8";
            } else {
                // try to get a list of territories for this language
                // usually OS have no "language only" locale, only the combination language-territory (eg. Debian)
                $languageRegionMapping = (include PIMCORE_PATH . "/config/data/cldr-language-territory-mapping.php");
                if (isset($languageRegionMapping[$locale->getLanguage()])) {
                    foreach ($languageRegionMapping[$locale->getLanguage()] as $territory) {
                        $localeList[] = $locale->getLanguage() . "_" . $territory . ".utf8";
                    }
                }
            }
            // currently we have to exclude LC_MONETARY from being set, because of issues in combination with
            // Zend_Currency -> see also https://github.com/zendframework/zf1/issues/706
            // once this is resolved we can safely set the locale for LC_MONETARY as well.
            setlocale(LC_ALL & ~LC_MONETARY, $localeList);
            // reconfigure translation management
            if (\Zend_Registry::isRegistered("Zend_Translate")) {
                $translator = \Zend_Registry::get("Zend_Translate");
                if ($translator instanceof Translate) {
                    $translator->setLocale($locale);
                }
            }
            self::$locale = (string) $locale;
        }
    }