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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 |
---|---|
1252 | * |
1253 | * This contains the data describing the API. This includes information |
1254 | * about supported authentication schemes, supported namespaces, routes |
1255 | * available on the API, and a small amount of data about the site. |
1256 | * |
1257 | * @since 4.4.0 |
1258 | * |
1259 | * @param WP_REST_Response $response Response data. |
1260 | */ |
1261 | return apply_filters( 'rest_index', $response ); |
1262 | } |
1263 |
|
1264 | /** |
1265 | * Retrieves the index for a namespace. |
1266 | * |
1267 | * @since 4.4.0 |
1268 | * |
1269 | * @param WP_REST_Request $request REST request instance. |
1270 | * @return WP_REST_Response|WP_Error WP_REST_Response instance if the index was found, |