public function addFallbackLocale($locale, $preinit = false) {
		$locale = (string) $locale;
		$locale = $this->normalizeLocale($locale);
		
		if (in_array($locale, $this->fallbackLocales, true)) {
			return $this;
		}
		
		$this->fallbackLocales[] = $locale;
		
		if ($preinit) {
			$this->addPreinitLocale($locale);
		}
		
		return $this;
	}
public function addFallbackLocale($locale, $preinit = false) {
		$locale = (string) $locale;
		$locale = $this->normalizeLocale($locale);
		
		if (in_array($locale, $this->fallbackLocales, true)) {
			return $this;
		}
		
		$this->fallbackLocales[] = $locale;
		
		if ($preinit) {
			$this->addPreinitLocale($locale);
		}
		
		return $this;
	}
public function addFallbackLocale ( $ locale , $ preinit = false ) { $ locale = ( string ) $ locale ; $ locale = $ this -> normalizeLocale ( $ locale ) ; if ( in_array ( $ locale , $ this -> fallbackLocales , true ) ) { return $ this ; } $ this -> fallbackLocales [ ] = $ locale ; if ( $ preinit ) { $ this -> addPreinitLocale ( $ locale ) ; } return $ this ; }
Add the fallback locale

@param  string $locale
@param  bool   $preinit
@return Translator
Add the fallback locale