WP_REST_Server::match_request_to_handler() protected WP 5.6.0
Matches a request object to it's handler.
{} It's a method of the class: WP_REST_Server{}
No Hooks.
Return
Array/WP_Error. The route and request handler on success or a WP_Error instance if no handler was found.
Usage
// protected - for code of main (parent) or child class $result = $this->match_request_to_handler( $request );
- $request(WP_REST_Request) (required)
- The request object.
Changelog
Since 5.6.0 | Introduced. |
Code of WP_REST_Server::match_request_to_handler() WP REST Server::match request to handler WP 5.6
protected function match_request_to_handler( $request ) {
$method = $request->get_method();
$path = $request->get_route();
$with_namespace = array();
foreach ( $this->get_namespaces() as $namespace ) {
if ( 0 === strpos( trailingslashit( ltrim( $path, '/' ) ), $namespace ) ) {
$with_namespace[] = $this->get_routes( $namespace );
}
}
if ( $with_namespace ) {
$routes = array_merge( ...$with_namespace );
} else {
$routes = $this->get_routes();
}
foreach ( $routes as $route => $handlers ) {
$match = preg_match( '@^' . $route . '$@i', $path, $matches );
if ( ! $match ) {
continue;
}
$args = array();
foreach ( $matches as $param => $value ) {
if ( ! is_int( $param ) ) {
$args[ $param ] = $value;
}
}
foreach ( $handlers as $handler ) {
$callback = $handler['callback'];
$response = null;
// Fallback to GET method if no HEAD method is registered.
$checked_method = $method;
if ( 'HEAD' === $method && empty( $handler['methods']['HEAD'] ) ) {
$checked_method = 'GET';
}
if ( empty( $handler['methods'][ $checked_method ] ) ) {
continue;
}
if ( ! is_callable( $callback ) ) {
return array( $route, $handler );
}
$request->set_url_params( $args );
$request->set_attributes( $handler );
$defaults = array();
foreach ( $handler['args'] as $arg => $options ) {
if ( isset( $options['default'] ) ) {
$defaults[ $arg ] = $options['default'];
}
}
$request->set_default_params( $defaults );
return array( $route, $handler );
}
}
return new WP_Error(
'rest_no_route',
__( 'No route was found matching the URL and request method.' ),
array( 'status' => 404 )
);
}