$responder->header()
Setter and getter for a single header
$responder->header(string $key, string|false|null $value = null, bool $lazy = false): string|Kirby\Cms\ResponderParameters
| Name | Type | Default | Description |
|---|---|---|---|
| $keyrequired | string |
no default value | |
| $value | stringorfalseornull |
null
|
|
| $lazy | bool |
false
|
If true, an existing header value is not overridden |
Return types
stringorKirby\Cms\Responder
This method modifies the existing $responder object it is applied to and returns it again.