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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.
Line | Code |
---|---|
942 | * Note that an endpoint's `permission_callback` can still be |
943 | * called after this filter - see `rest_send_allow_header()`. |
944 | * |
945 | * @since 4.7.0 |
946 | * |
947 | * @param WP_HTTP_Response $response Result to send to the client. Usually a WP_REST_Response. |
948 | * @param WP_REST_Server $handler ResponseHandler instance (usually WP_REST_Server). |
949 | * @param WP_REST_Request $request Request used to generate the response. |
950 | */ |
951 | $response = apply_filters( 'rest_request_after_callbacks', $response, $handler, $request ); |
952 |
|
953 | if ( is_wp_error( $response ) ) { |
954 | $response = $this->error_to_response( $response ); |
955 | } else { |
956 | $response = rest_ensure_response( $response ); |
957 | } |
958 |
|
959 | $response->set_matched_route( $route ); |
960 | $response->set_matched_handler( $handler ); |