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* REST API: WP_REST_Search_Handler class
* Core base class representing a search handler for an object type in the REST API.
#[AllowDynamicProperties]
abstract class WP_REST_Search_Handler {
* Field containing the IDs in the search result.
const RESULT_IDS = 'ids';
* Field containing the total count in the search result.
const RESULT_TOTAL = 'total';
* Object type managed by this search handler.
* Object subtypes managed by this search handler.
protected $subtypes = array();
* Gets the object type managed by this search handler.
* @return string Object type identifier.
public function get_type() {
* Gets the object subtypes managed by this search handler.
* @return string[] Array of object subtype identifiers.
public function get_subtypes() {
* Searches the object type content for a given search request.
* @param WP_REST_Request $request Full REST request.
* @return array Associative array containing an `WP_REST_Search_Handler::RESULT_IDS` containing
* an array of found IDs and `WP_REST_Search_Handler::RESULT_TOTAL` containing the
* total count for the matching search results.
abstract public function search_items( WP_REST_Request $request );
* Prepares the search result for a given ID.
* @since 5.6.0 The `$id` parameter can accept a string.
* @param int|string $id Item ID.
* @param array $fields Fields to include for the item.
* @return array Associative array containing all fields for the item.
abstract public function prepare_item( $id, array $fields );
* Prepares links for the search result of a given ID.
* @since 5.6.0 The `$id` parameter can accept a string.
* @param int|string $id Item ID.
* @return array Links for the given item.
abstract public function prepare_item_links( $id );