public function get($key, $default = null)
    {
        return Arr::get($this->items, $this->getKey($key), $default);
    }
public function get($key, $default = null)
    {
        return Arr::get($this->items, $this->getKey($key), $default);
    }
public function get ( $ key , $ default = null ) { return Arr :: get ( $ this -> items , $ this -> getKey ( $ key ) , $ default ) ; }
Getter. Supports dot notation.

@param mixed $key
@param mixed $default
@return mixed
Getter . Supports dot notation .