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WP_REST_Search_Controller::get_items( WP_REST_Request $request )

Retrieves a collection of search results.

Parameters

$request

(WP_REST_Request) (Required) Full details about the request.

Return

(WP_REST_Response|WP_Error) Response object on success, or WP_Error object on failure.

Source

File: wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php 

public function get_items( $request ) {
		$handler = $this->get_search_handler( $request );
		if ( is_wp_error( $handler ) ) {
			return $handler;
		}

		$result = $handler->search_items( $request );

		if ( ! isset( $result[ WP_REST_Search_Handler::RESULT_IDS ] ) || ! is_array( $result[ WP_REST_Search_Handler::RESULT_IDS ] ) || ! isset( $result[ WP_REST_Search_Handler::RESULT_TOTAL ] ) ) {
			return new WP_Error(
				'rest_search_handler_error',
				__( 'Internal search handler error.' ),
				array( 'status' => 500 )
			);
		}

		$ids = array_map( 'absint', $result[ WP_REST_Search_Handler::RESULT_IDS ] );

		$results = array();

		foreach ( $ids as $id ) {
			$data      = $this->prepare_item_for_response( $id, $request );
			$results[] = $this->prepare_response_for_collection( $data );
		}

		$total     = (int) $result[ WP_REST_Search_Handler::RESULT_TOTAL ];
		$page      = (int) $request['page'];
		$per_page  = (int) $request['per_page'];
		$max_pages = ceil( $total / $per_page );

		if ( $page > $max_pages && $total > 0 ) {
			return new WP_Error(
				'rest_search_invalid_page_number',
				__( 'The page number requested is larger than the number of pages available.' ),
				array( 'status' => 400 )
			);
		}

		$response = rest_ensure_response( $results );
		$response->header( 'X-WP-Total', $total );
		$response->header( 'X-WP-TotalPages', $max_pages );

		$request_params = $request->get_query_params();
		$base           = add_query_arg( urlencode_deep( $request_params ), rest_url( sprintf( '%s/%s', $this->namespace, $this->rest_base ) ) );

		if ( $page > 1 ) {
			$prev_link = add_query_arg( 'page', $page - 1, $base );
			$response->link_header( 'prev', $prev_link );
		}
		if ( $page < $max_pages ) {
			$next_link = add_query_arg( 'page', $page + 1, $base );
			$response->link_header( 'next', $next_link );
		}

		return $response;
	}

Uses

Uses Description
wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php: WP_REST_Search_Controller::get_search_handler()

Gets the search handler to handle the current request.
wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php: WP_REST_Search_Controller::prepare_item_for_response()

Prepares a single search result for response.
wp-includes/rest-api.php: rest_ensure_response()

Ensures a REST response is a response object (for consistency).
wp-includes/rest-api.php: rest_url()

Retrieves the URL to a REST endpoint.
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/formatting.php: urlencode_deep()

Navigates through an array, object, or scalar, and encodes the values to be used in a URL.
wp-includes/functions.php: add_query_arg()

Retrieves a modified URL query string.
wp-includes/load.php: is_wp_error()

Check whether variable is a WordPress Error.
wp-includes/class-wp-error.php: WP_Error::__construct()

Initialize the error.

Changelog

Version Description
5.0.0 Introduced.

© 2003–2019 WordPress Foundation
Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/wp_rest_search_controller/get_items