Illuminate\Database\Eloquent\Model::getConnectionResolver PHP Méthode

    public static function getConnectionResolver()
    {
        return static::$resolver;
    }

 public static function instance()
 {
     if (!static::$factory) {
         $translator = new Translator('en');
         static::$factory = new \Illuminate\Validation\Factory($translator);
         static::$factory->setPresenceVerifier(new DatabasePresenceVerifier(Eloquent::getConnectionResolver()));
     }
     return static::$factory;
 }