Neos\Flow\I18n\Service::getParentLocaleOf PHP Method

Returns a parent Locale object of the locale provided.

public getParentLocaleOf ( Locale $locale ) : Locale
$locale	Locale	The Locale to search parent for
return	Locale	Existing Locale instance or NULL on failure

    public function getParentLocaleOf(Locale $locale)
    {
        return $this->localeCollection->getParentLocaleOf($locale);
    }

Service