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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 |
---|---|
1197 | * called after this filter - see `rest_send_allow_header()`. |
1198 | * |
1199 | * @since 4.7.0 |
1200 | * |
1201 | * @param WP_REST_Response|WP_HTTP_Response|WP_Error|mixed $response Result to send to the client. |
1202 | * Usually a WP_REST_Response or WP_Error. |
1203 | * @param array $handler Route handler used for the request. |
1204 | * @param WP_REST_Request $request Request used to generate the response. |
1205 | */ |
1206 | $response = apply_filters( 'rest_request_after_callbacks', $response, $handler, $request ); |
1207 |
|
1208 | if ( is_wp_error( $response ) ) { |
1209 | $response = $this->error_to_response( $response ); |
1210 | } else { |
1211 | $response = rest_ensure_response( $response ); |
1212 | } |
1213 |
|
1214 | $response->set_matched_route( $route ); |
1215 | $response->set_matched_handler( $handler ); |