WP_REST_Request::has_param( string $key ): bool
Checks if a parameter exists in the request.
Description
This allows distinguishing between an omitted parameter, and a parameter specifically set to null.
Parameters
-
$keystring Required -
Parameter name.
Return
bool True if a param exists for the given key.
Source
File: wp-includes/rest-api/class-wp-rest-request.php.
View all references
public function has_param( $key ) {
$order = $this->get_parameter_order();
foreach ( $order as $type ) {
if ( is_array( $this->params[ $type ] ) && array_key_exists( $key, $this->params[ $type ] ) ) {
return true;
}
}
return false;
}
Changelog
| Version | Description |
|---|---|
| 5.3.0 | Introduced. |