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Summery Summery
Custom sanitize callback used for all options to allow the use of ‘null’.
Syntax Syntax
Description 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 whitelist the use of null.
Parameters Parameters
- $value
-
(Required) The value for the setting.
- $request
-
(Required) The request object.
- $param
-
(Required) The parameter name.
Return Return
(mixed|WP_Error)
Source Source
File: wp-includes/rest-api/endpoints/class-wp-rest-settings-controller.php
public function sanitize_callback( $value, $request, $param ) {
if ( is_null( $value ) ) {
return $value;
}
return rest_parse_request_arg( $value, $request, $param );
}
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Changelog Changelog
| Version | Description |
|---|---|
| 4.7.0 | Introduced. |