/**
* Filter the array using the given Closure.
*
* @param array $array
* @param \Closure $callback
* @return array
*/
function array_where($array, Closure $callback)
{
return Arr::where($array, $callback);
}
/**
* Run a filter over each of the items.
*
* @param callable|null $callback
* @return static
*/
public function filter(callable $callback = null)
{
if ($callback) {
return new static(Arr::where($this->items, $callback));
}
return new static(array_filter($this->items));
}