Symfony\Component\HttpFoundation\ParameterBag::filter
Filter key.
Signature
public function filter(string
$key,
[mixed
$default = null,
[boolean
$deep = false,
[integer
$filter = FILTER_DEFAULT,
array
$options]]] )
Parameters
$key
— string- Key.
$default
— mixed- Default = null.
$deep
— boolean- Default = false.
$filter
— integer- FILTER_* constant.
$options
— array- Filter options.
Returns
- mixed