public function determineLocale(Request $request)
    {
        return $request->session()->get($this->sessionKey, $this->fallback);
    }
public function determineLocale(Request $request)
    {
        return $request->session()->get($this->sessionKey, $this->fallback);
    }
public function determineLocale ( Request $ request ) { return $ request -> session ( ) -> get ( $ this -> sessionKey , $ this -> fallback ) ; }
Determine the locale from the session.

@param  \Illuminate\Http\Request  $request
@return  string
Determine the locale from the session .