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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 |
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705 |
|
706 | /** |
707 | * Filters the enveloped form of a response. |
708 | * |
709 | * @since 4.4.0 |
710 | * |
711 | * @param array $envelope Envelope data. |
712 | * @param WP_REST_Response $response Original response data. |
713 | */ |
714 | $envelope = apply_filters( 'rest_envelope_response', $envelope, $response ); |
715 |
|
716 | // Ensure it's still a response and return. |
717 | return rest_ensure_response( $envelope ); |
718 | } |
719 |
|
720 | /** |
721 | * Registers a route to the server. |
722 | * |
723 | * @since 4.4.0 |