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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 |
|---|---|
| 780 | * @param array $envelope { |
| 781 | * Envelope data. |
| 782 | * |
| 783 | * @type array $body Response data. |
| 784 | * @type int $status The 3-digit HTTP status code. |
| 785 | * @type array $headers Map of header name to header value. |
| 786 | * } |
| 787 | * @param WP_REST_Response $response Original response data. |
| 788 | */ |
| 789 | $envelope = apply_filters( 'rest_envelope_response', $envelope, $response ); |
| 790 | |
| 791 | // Ensure it's still a response and return. |
| 792 | return rest_ensure_response( $envelope ); |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * Registers a route to the server. |
| 797 | * |
| 798 | * @since 4.4.0 |