public function forget($key)
    {
        Arr::forget($this->items, $this->getStringable($key));

        return $this;
    }
public function forget($key)
    {
        Arr::forget($this->items, $this->getStringable($key));

        return $this;
    }
public function forget ( $ key ) { Arr :: forget ( $ this -> items , $ this -> getStringable ( $ key ) ) ; return $ this ; }
Remove key from Container. Supports dot notation.

@param mixed $key
@return $this
Remove key from Container . Supports dot notation .