setFallbackLocales(array $locales) Sets the fallback locales.

string transChoice(string $id, int $number, array $parameters = array(), string|null $domain = null, string|null $locale = null)

array getDomains() Gets the domains. Return

addFallbackCatalogue(

class Interval Tests if a given number belongs to a given math interval. An interval can

class PluralizationRules Returns the plural rules for a given locale.

array getDomains() Gets the domains. Return

setMetadata(string $key, mixed $value, string $domain = 'messages') Adds metadata to a message domain

string getLocale() Returns the current locale.

bool has(string $id, string $domain = 'messages') Checks if a message has a translation.