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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 |
|---|---|
| 249 | |
| 250 | /** |
| 251 | * Filters the JSON encoding options used to send the REST API response. |
| 252 | * |
| 253 | * @since 6.1.0 |
| 254 | * |
| 255 | * @param int $options JSON encoding options {@see json_encode()}. |
| 256 | * @param WP_REST_Request $request Current request object. |
| 257 | */ |
| 258 | return apply_filters( 'rest_json_encode_options', $options, $request ); |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * Handles serving a REST API request. |
| 263 | * |
| 264 | * Matches the current server URI to a route and runs the first matching |
| 265 | * callback then outputs a JSON representation of the returned value. |
| 266 | * |
| 267 | * @since 4.4.0 |