rest_send_allow_header()
Sends the "Allow" header to state all methods that can be sent to the current route.
No Hooks.
Return
WP_REST_Response
. Response to be served, with "Allow" header if route has allowed methods.
Usage
rest_send_allow_header( $response, $server, $request );
- $response(WP_REST_Response) (required)
- Current response being served.
- $server(WP_REST_Server) (required)
- ResponseHandler instance (usually WP_REST_Server).
- $request(WP_REST_Request) (required)
- The request that was used to make current response.
Changelog
Since 4.4.0 | Introduced. |
rest_send_allow_header() rest send allow header code WP 6.7.1
function rest_send_allow_header( $response, $server, $request ) { $matched_route = $response->get_matched_route(); if ( ! $matched_route ) { return $response; } $routes = $server->get_routes(); $allowed_methods = array(); // Get the allowed methods across the routes. foreach ( $routes[ $matched_route ] as $_handler ) { foreach ( $_handler['methods'] as $handler_method => $value ) { if ( ! empty( $_handler['permission_callback'] ) ) { $permission = call_user_func( $_handler['permission_callback'], $request ); $allowed_methods[ $handler_method ] = true === $permission; } else { $allowed_methods[ $handler_method ] = true; } } } // Strip out all the methods that are not allowed (false values). $allowed_methods = array_filter( $allowed_methods ); if ( $allowed_methods ) { $response->header( 'Allow', implode( ', ', array_map( 'strtoupper', array_keys( $allowed_methods ) ) ) ); } return $response; }