string I18Nv2::lastLocale (
int $prior = 0
, bool $full
Retrieve kinda history of locales that have been already set.
This only works, if I18Nv2::setLocale() has already been called.
if 0, the current otherwise n prior to the current locale
whether to return the array with locale, language and actually used system locale
Returns mixed prior locale.
This function should be called statically.
See also I18Nv2::setLocale().