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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 |
---|---|
986 | * |
987 | * This contains the data describing the API. This includes information |
988 | * about supported authentication schemes, supported namespaces, routes |
989 | * available on the API, and a small amount of data about the site. |
990 | * |
991 | * @since 4.4.0 |
992 | * |
993 | * @param WP_REST_Response $response Response data. |
994 | */ |
995 | return apply_filters( 'rest_index', $response ); |
996 | } |
997 |
|
998 | /** |
999 | * Retrieves the index for a namespace. |
1000 | * |
1001 | * @since 4.4.0 |
1002 | * @access public |
1003 | * |
1004 | * @param WP_REST_Request $request REST request instance. |