/**
* Determines which locale to use, based on the HTTP Accept-Language header.
* @param zibo\library\i18n\locale\LocaleManager $manager The locale manager
* @return null|zibo\library\i18n\locale\Locale the locale
*/
public function getLocale(LocaleManager $manager)
{
$request = $this->zibo->getRequest();
if (!$request) {
return null;
}
$fallbackLanguages = array();
$acceptedLanguages = $request->getAcceptLanguage();
foreach ($acceptedLanguages as $acceptedLanguage => $null) {
if (strpos($acceptedLanguage, self::SEPARATOR_TERRITORY) === false) {
$locale = strtolower($acceptedLanguage);
} else {
list($language, $territory) = explode(self::SEPARATOR_TERRITORY, $acceptedLanguage);
$language = strtolower($language);
$locale = $language . '_' . strtoupper($territory);
$fallbackLanguages[$language] = true;
}
if ($manager->hasLocale($locale)) {
return $manager->getLocale($locale);
}
}
foreach ($fallbackLanguages as $locale => $null) {
if ($manager->hasLocale($locale)) {
return $manager->getLocale($locale);
}
}
return null;
}
/**
* Checks if the provided locale is available
* @param string $code The code of the locale
* @return boolean
*/
public function hasLocale($code)
{
return $this->localeManager->hasLocale($code);
}
