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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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256 | * collection request. |
257 | * |
258 | * @since 4.7.0 |
259 | * |
260 | * @link https://developer.wordpress.org/reference/functions/get_terms/ |
261 | * |
262 | * @param array $prepared_args Array of arguments for get_terms(). |
263 | * @param WP_REST_Request $request The REST API request. |
264 | */ |
265 | $prepared_args = apply_filters( "rest_{$this->taxonomy}_query", $prepared_args, $request ); |
266 |
|
267 | if ( ! empty( $prepared_args['post'] ) ) { |
268 | $query_result = wp_get_object_terms( $prepared_args['post'], $this->taxonomy, $prepared_args ); |
269 |
|
270 | // Used when calling wp_count_terms() below. |
271 | $prepared_args['object_ids'] = $prepared_args['post']; |
272 | } else { |
273 | $query_result = get_terms( $prepared_args ); |
274 | } |