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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 |
|---|---|
| 846 | * Filter the REST dispatch request result. |
| 847 | * |
| 848 | * Allow plugins to override dispatching the request. |
| 849 | * |
| 850 | * @since 4.4.0 |
| 851 | * |
| 852 | * @param bool $dispatch_result Dispatch result, will be used if not empty. |
| 853 | * @param WP_REST_Request $request Request used to generate the response. |
| 854 | */ |
| 855 | $dispatch_result = apply_filters( 'rest_dispatch_request', null, $request ); |
| 856 | |
| 857 | // Allow plugins to halt the request via this filter. |
| 858 | if ( null !== $dispatch_result ) { |
| 859 | $response = $dispatch_result; |
| 860 | } else { |
| 861 | $response = call_user_func( $callback, $request ); |
| 862 | } |
| 863 | } |
| 864 | |