/**
* Get an array with the values of a given key.
*
* @param string $value
* @param string $key
* @return static
*/
public function pluck($value, $key = null)
{
return new static(Arr::pluck($this->items, $value, $key));
}
function array_column($array, $key)
{
return Arr::pluck($array, $key);
}
