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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
This hook occurs 3 times in this file.
Line | Code |
---|---|
456 | * Allows modification of the response before returning. |
457 | * |
458 | * @since 4.4.0 |
459 | * @since 4.5.0 Applied to embedded responses. |
460 | * |
461 | * @param WP_HTTP_Response $result Result to send to the client. Usually a `WP_REST_Response`. |
462 | * @param WP_REST_Server $server Server instance. |
463 | * @param WP_REST_Request $request Request used to generate the response. |
464 | */ |
465 | $result = apply_filters( 'rest_post_dispatch', rest_ensure_response( $result ), $this, $request ); |
466 |
|
467 | // Wrap the response in an envelope if asked for. |
468 | if ( isset( $_GET['_envelope'] ) ) { |
469 | $embed = isset( $_GET['_embed'] ) ? rest_parse_embed_param( $_GET['_embed'] ) : false; |
470 | $result = $this->envelope_response( $result, $embed ); |
471 | } |
472 |
|
473 | // Send extra data from response objects. |
474 | $headers = $result->get_headers(); |
Line | Code |
722 |
|
723 | // Embedded resources get passed context=embed. |
724 | if ( empty( $request['context'] ) ) { |
725 | $request['context'] = 'embed'; |
726 | } |
727 |
|
728 | $response = $this->dispatch( $request ); |
729 |
|
730 | /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ |
731 | $response = apply_filters( 'rest_post_dispatch', rest_ensure_response( $response ), $this, $request ); |
732 |
|
733 | $this->embed_cache[ $item['href'] ] = $this->response_to_data( $response, false ); |
734 | } |
735 |
|
736 | $embeds[] = $this->embed_cache[ $item['href'] ]; |
737 | } |
738 |
|
739 | // Determine if any real links were found. |
740 | $has_links = count( array_filter( $embeds ) ); |
Line | Code |
1707 | array( 'status' => 500 ) |
1708 | ); |
1709 | } |
1710 |
|
1711 | $result = $this->respond_to_request( $single_request, $route, $handler, $error ); |
1712 | } |
1713 | } |
1714 |
|
1715 | /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ |
1716 | $result = apply_filters( 'rest_post_dispatch', rest_ensure_response( $result ), $this, $single_request ); |
1717 |
|
1718 | $responses[] = $this->envelope_response( $result, false )->get_data(); |
1719 | } |
1720 |
|
1721 | return new WP_REST_Response( array( 'responses' => $responses ), WP_Http::MULTI_STATUS ); |
1722 | } |
1723 |
|
1724 | /** |
1725 | * Sends an HTTP status code. |