View file File name : class-wp-rest-term-search-handler.php Content :<?php /** * REST API: WP_REST_Term_Search_Handler class * * @package WordPress * @subpackage REST_API * @since 5.6.0 */ /** * Core class representing a search handler for terms in the REST API. * * @since 5.6.0 * * @see WP_REST_Search_Handler */ class WP_REST_Term_Search_Handler extends WP_REST_Search_Handler { /** * Constructor. * * @since 5.6.0 */ public function __construct() { $this->type = 'term'; $this->subtypes = array_values( get_taxonomies( array( 'public' => true, 'show_in_rest' => true, ), 'names' ) ); } /** * Searches terms for a given search request. * * @since 5.6.0 * * @param WP_REST_Request $request Full REST request. * @return array { * Associative array containing found IDs and total count for the matching search results. * * @type int[] $ids Found term IDs. * @type string|int|WP_Error $total Numeric string containing the number of terms in that * taxonomy, 0 if there are no results, or WP_Error if * the requested taxonomy does not exist. * } */ public function search_items( WP_REST_Request $request ) { $taxonomies = $request[ WP_REST_Search_Controller::PROP_SUBTYPE ]; if ( in_array( WP_REST_Search_Controller::TYPE_ANY, $taxonomies, true ) ) { $taxonomies = $this->subtypes; } $page = (int) $request['page']; $per_page = (int) $request['per_page']; $query_args = array( 'taxonomy' => $taxonomies, 'hide_empty' => false, 'offset' => ( $page - 1 ) * $per_page, 'number' => $per_page, ); if ( ! empty( $request['search'] ) ) { $query_args['search'] = $request['search']; } if ( ! empty( $request['exclude'] ) ) { $query_args['exclude'] = $request['exclude']; } if ( ! empty( $request['include'] ) ) { $query_args['include'] = $request['include']; } /** * Filters the query arguments for a REST API term search request. * * Enables adding extra arguments or setting defaults for a term search request. * * @since 5.6.0 * * @param array $query_args Key value array of query var to query value. * @param WP_REST_Request $request The request used. */ $query_args = apply_filters( 'rest_term_search_query', $query_args, $request ); $query = new WP_Term_Query(); $found_terms = $query->query( $query_args ); $found_ids = wp_list_pluck( $found_terms, 'term_id' ); unset( $query_args['offset'], $query_args['number'] ); $total = wp_count_terms( $query_args ); // wp_count_terms() can return a falsey value when the term has no children. if ( ! $total ) { $total = 0; } return array( self::RESULT_IDS => $found_ids, self::RESULT_TOTAL => $total, ); } /** * Prepares the search result for a given term ID. * * @since 5.6.0 * * @param int $id Term ID. * @param array $fields Fields to include for the term. * @return array { * Associative array containing fields for the term based on the `$fields` parameter. * * @type int $id Optional. Term ID. * @type string $title Optional. Term name. * @type string $url Optional. Term permalink URL. * @type string $type Optional. Term taxonomy name. * } */ public function prepare_item( $id, array $fields ) { $term = get_term( $id ); $data = array(); if ( in_array( WP_REST_Search_Controller::PROP_ID, $fields, true ) ) { $data[ WP_REST_Search_Controller::PROP_ID ] = (int) $id; } if ( in_array( WP_REST_Search_Controller::PROP_TITLE, $fields, true ) ) { $data[ WP_REST_Search_Controller::PROP_TITLE ] = $term->name; } if ( in_array( WP_REST_Search_Controller::PROP_URL, $fields, true ) ) { $data[ WP_REST_Search_Controller::PROP_URL ] = get_term_link( $id ); } if ( in_array( WP_REST_Search_Controller::PROP_TYPE, $fields, true ) ) { $data[ WP_REST_Search_Controller::PROP_TYPE ] = $term->taxonomy; } return $data; } /** * Prepares links for the search result of a given ID. * * @since 5.6.0 * * @param int $id Item ID. * @return array[] Array of link arrays for the given item. */ public function prepare_item_links( $id ) { $term = get_term( $id ); $links = array(); $item_route = rest_get_route_for_term( $term ); if ( $item_route ) { $links['self'] = array( 'href' => rest_url( $item_route ), 'embeddable' => true, ); } $links['about'] = array( 'href' => rest_url( sprintf( 'wp/v2/taxonomies/%s', $term->taxonomy ) ), ); return $links; } }