Title: WP_REST_Server::response_to_data
Published: December 9, 2015
Last modified: April 28, 2025

---

# WP_REST_Server::response_to_data( WP_REST_Response $response, bool|string[] $embed ): array

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#wp--skip-link--target)

Converts a response to data to send.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#parameters)󠁿

 `$response`[WP_REST_Response](https://developer.wordpress.org/reference/classes/wp_rest_response/)
required

Response object.

`$embed`bool|string[]required

Whether to embed all links, a filtered list of link relations, or no links.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#return)󠁿

 array Data with sub-requests embedded.

 * `_links` array
 * Links.
 * `_embedded` array
 * Embedded objects.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#source)󠁿

    ```php
    public function response_to_data( $response, $embed ) {
    	$data  = $response->get_data();
    	$links = self::get_compact_response_links( $response );

    	if ( ! empty( $links ) ) {
    		// Convert links to part of the data.
    		$data['_links'] = $links;
    	}

    	if ( $embed ) {
    		$this->embed_cache = array();
    		// Determine if this is a numeric array.
    		if ( wp_is_numeric_array( $data ) ) {
    			foreach ( $data as $key => $item ) {
    				$data[ $key ] = $this->embed_links( $item, $embed );
    			}
    		} else {
    			$data = $this->embed_links( $data, $embed );
    		}
    		$this->embed_cache = array();
    	}

    	return $data;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/rest-api/class-wp-rest-server.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/rest-api/class-wp-rest-server.php#L588)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rest-api/class-wp-rest-server.php#L588-L611)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_REST_Server::get_compact_response_links()](https://developer.wordpress.org/reference/classes/wp_rest_server/get_compact_response_links/)`wp-includes/rest-api/class-wp-rest-server.php` |

Retrieves the CURIEs (compact URIs) used for relations.

  | 
| [WP_REST_Server::embed_links()](https://developer.wordpress.org/reference/classes/wp_rest_server/embed_links/)`wp-includes/rest-api/class-wp-rest-server.php` |

Embeds the links from the data into the request.

  | 
| [wp_is_numeric_array()](https://developer.wordpress.org/reference/functions/wp_is_numeric_array/)`wp-includes/functions.php` |

Determines if the variable is a numeric-indexed array.

  |

| Used by | Description | 
| [WP_REST_Server::envelope_response()](https://developer.wordpress.org/reference/classes/wp_rest_server/envelope_response/)`wp-includes/rest-api/class-wp-rest-server.php` |

Wraps the response in an envelope.

  | 
| [WP_REST_Server::serve_request()](https://developer.wordpress.org/reference/classes/wp_rest_server/serve_request/)`wp-includes/rest-api/class-wp-rest-server.php` |

Handles serving a REST API request.

  | 
| [WP_REST_Server::embed_links()](https://developer.wordpress.org/reference/classes/wp_rest_server/embed_links/)`wp-includes/rest-api/class-wp-rest-server.php` |

Embeds the links from the data into the request.

  |

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_rest_server/response_to_data/?output_format=md#changelog)󠁿

| Version | Description | 
| [5.4.0](https://developer.wordpress.org/reference/since/5.4.0/) | The `$embed` parameter can now contain a list of link relations to include. | 
| [4.4.0](https://developer.wordpress.org/reference/since/4.4.0/) | Introduced. |

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