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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 |
---|---|
939 | * |
940 | * This contains the data describing the API. This includes information |
941 | * about supported authentication schemes, supported namespaces, routes |
942 | * available on the API, and a small amount of data about the site. |
943 | * |
944 | * @since 4.4.0 |
945 | * |
946 | * @param WP_REST_Response $response Response data. |
947 | */ |
948 | return apply_filters( 'rest_index', $response ); |
949 | } |
950 |
|
951 | /** |
952 | * Retrieves the index for a namespace. |
953 | * |
954 | * @since 4.4.0 |
955 | * @access public |
956 | * |
957 | * @param WP_REST_Request $request REST request instance. |