Piwik\Plugins\LanguagesManager\LanguagesManager::getLanguageNameForCurrentUser PHP Method

    public static function getLanguageNameForCurrentUser()
    {
        $languageCode = self::getLanguageCodeForCurrentUser();
        $languages = API::getInstance()->getAvailableLanguageNames();
        foreach ($languages as $language) {
            if ($language['code'] === $languageCode) {
                return $language['name'];
            }
        }
        return false;
    }