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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 |
---|---|
1145 | * |
1146 | * @since 4.4.0 |
1147 | * @since 4.5.0 Added `$route` and `$handler` parameters. |
1148 | * |
1149 | * @param mixed $dispatch_result Dispatch result, will be used if not empty. |
1150 | * @param WP_REST_Request $request Request used to generate the response. |
1151 | * @param string $route Route matched for the request. |
1152 | * @param array $handler Route handler used for the request. |
1153 | */ |
1154 | $dispatch_result = apply_filters( 'rest_dispatch_request', null, $request, $route, $handler ); |
1155 |
|
1156 | // Allow plugins to halt the request via this filter. |
1157 | if ( null !== $dispatch_result ) { |
1158 | $response = $dispatch_result; |
1159 | } else { |
1160 | $response = call_user_func( $handler['callback'], $request ); |
1161 | } |
1162 | } |
1163 |
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