src/PeskyCMF/Providers/PeskyCmfLanguageDetectorServiceProvider.php
protected function detectAndApplyLanguage() {
        if ($this->config('autodetect', true)) {
            /** @var LanguageDetector $detector */
            $detector = $this->getLanguageDetector();
            $language = $detector->getLanguageFromCookie();
            if (!$language || strlen($language) > 5 || !in_array($language, $this->getSupportedLanguages(), true)) {
                $language = $detector->getDriver()->detect();
                if (!$language || strlen($language) > 5) {
                    $language = $this->request->getDefaultLocale();
                }
            }
            $this->applyNewLanguage($language, true);
        }
    }
protected function detectAndApplyLanguage() {
        if ($this->config('autodetect', true)) {
            /** @var LanguageDetector $detector */
            $detector = $this->getLanguageDetector();
            $language = $detector->getLanguageFromCookie();
            if (!$language || strlen($language) > 5 || !in_array($language, $this->getSupportedLanguages(), true)) {
                $language = $detector->getDriver()->detect();
                if (!$language || strlen($language) > 5) {
                    $language = $this->request->getDefaultLocale();
                }
            }
            $this->applyNewLanguage($language, true);
        }
    }
Detect and apply language for the application.
Failsafe