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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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624 |
|
625 | /** |
626 | * Filters the enveloped form of a response. |
627 | * |
628 | * @since 4.4.0 |
629 | * |
630 | * @param array $envelope Envelope data. |
631 | * @param WP_REST_Response $response Original response data. |
632 | */ |
633 | $envelope = apply_filters( 'rest_envelope_response', $envelope, $response ); |
634 |
|
635 | // Ensure it's still a response and return. |
636 | return rest_ensure_response( $envelope ); |
637 | } |
638 |
|
639 | /** |
640 | * Registers a route to the server. |
641 | * |
642 | * @since 4.4.0 |