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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 |
---|---|
454 | * Allows modification of the response before returning. |
455 | * |
456 | * @since 4.4.0 |
457 | * @since 4.5.0 Applied to embedded responses. |
458 | * |
459 | * @param WP_HTTP_Response $result Result to send to the client. Usually a `WP_REST_Response`. |
460 | * @param WP_REST_Server $this Server instance. |
461 | * @param WP_REST_Request $request Request used to generate the response. |
462 | */ |
463 | $result = apply_filters( 'rest_post_dispatch', rest_ensure_response( $result ), $this, $request ); |
464 |
|
465 | // Wrap the response in an envelope if asked for. |
466 | if ( isset( $_GET['_envelope'] ) ) { |
467 | $result = $this->envelope_response( $result, isset( $_GET['_embed'] ) ); |
468 | } |
469 |
|
470 | // Send extra data from response objects. |
471 | $headers = $result->get_headers(); |
472 | $this->send_headers( $headers ); |
Line | Code |
718 |
|
719 | // Embedded resources get passed context=embed. |
720 | if ( empty( $request['context'] ) ) { |
721 | $request['context'] = 'embed'; |
722 | } |
723 |
|
724 | $response = $this->dispatch( $request ); |
725 |
|
726 | /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ |
727 | $response = apply_filters( 'rest_post_dispatch', rest_ensure_response( $response ), $this, $request ); |
728 |
|
729 | $this->embed_cache[ $item['href'] ] = $this->response_to_data( $response, false ); |
730 | } |
731 |
|
732 | $embeds[] = $this->embed_cache[ $item['href'] ]; |
733 | } |
734 |
|
735 | // Determine if any real links were found. |
736 | $has_links = count( array_filter( $embeds ) ); |
Line | Code |
1586 | array( 'status' => 500 ) |
1587 | ); |
1588 | } |
1589 |
|
1590 | $result = $this->respond_to_request( $single_request, $route, $handler, $error ); |
1591 | } |
1592 | } |
1593 |
|
1594 | /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ |
1595 | $result = apply_filters( 'rest_post_dispatch', rest_ensure_response( $result ), $this, $single_request ); |
1596 |
|
1597 | $responses[] = $this->envelope_response( $result, false )->get_data(); |
1598 | } |
1599 |
|
1600 | return new WP_REST_Response( array( 'responses' => $responses ), WP_Http::MULTI_STATUS ); |
1601 | } |
1602 |
|
1603 | /** |
1604 | * Sends an HTTP status code. |