WP_REST_Settings_Controller::sanitize_callback( mixed $value, WP_REST_Request $request, string $param ): mixed|WP_Error
Custom sanitize callback used for all options to allow the use of ‘null’.
Description
By default, the schema of settings will throw an error if a value is set to null as it’s not a valid value for something like "type => string". We provide a wrapper sanitizer to allow the use of null.
Parameters
-
$valuemixed Required -
The value for the setting.
-
$requestWP_REST_Request Required -
The request object.
-
$paramstring Required -
The parameter name.
Return
mixed|WP_Error
Source
File: wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php.
View all references
public function sanitize_callback( $value, $request, $param ) {
if ( is_null( $value ) ) {
return $value;
}
return rest_parse_request_arg( $value, $request, $param );
}
Changelog
| Version | Description |
|---|---|
| 4.7.0 | Introduced. |