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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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249 |
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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 |