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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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769 |
|
770 | /** |
771 | * Filters the enveloped form of a response. |
772 | * |
773 | * @since 4.4.0 |
774 | * |
775 | * @param array $envelope Envelope data. |
776 | * @param WP_REST_Response $response Original response data. |
777 | */ |
778 | $envelope = apply_filters( 'rest_envelope_response', $envelope, $response ); |
779 |
|
780 | // Ensure it's still a response and return. |
781 | return rest_ensure_response( $envelope ); |
782 | } |
783 |
|
784 | /** |
785 | * Registers a route to the server. |
786 | * |
787 | * @since 4.4.0 |