enmi-conf.org: comparison wp/wp-includes/rest-api.php

equal deleted inserted replaced

-:3d4e9c994f10
+:a86126ab1dd4
 * Registers a REST API route.
 *
 * Note: Do not use before the {@see 'rest_api_init'} hook.
 *
 * @since 4.4.0
-* @since 5.1.0 Added a _doing_it_wrong() notice when not called on or after the rest_api_init hook.
+* @since 5.1.0 Added a `_doing_it_wrong()` notice when not called on or after the `rest_api_init` hook.
+* @since 5.5.0 Added a `_doing_it_wrong()` notice when the required `permission_callback` argument is not set.
 *
 * @param string $namespace The first URL segment after core prefix. Should be unique to your package/plugin.
 * @param string $route     The base URL for route you are adding.
 * @param array  $args      Optional. Either an array of options for the endpoint, or an array of arrays for
 *                          multiple methods. Default empty array.
 	} elseif ( empty( $route ) ) {
 		_doing_it_wrong( 'register_rest_route', __( 'Route must be specified.' ), '4.4.0' );
 		return false;
 	}
+	$clean_namespace = trim( $namespace, '/' );
+	if ( $clean_namespace !== $namespace ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Namespace must not start or end with a slash.' ), '5.4.2' );
+	}
 	if ( ! did_action( 'rest_api_init' ) ) {
 		_doing_it_wrong(
 			'register_rest_route',
 			sprintf(
 				/* translators: %s: rest_api_init */
 	$defaults = array(
 		'methods'  => 'GET',
 		'callback' => null,
 		'args'     => array(),
 	);
 	foreach ( $args as $key => &$arg_group ) {
 		if ( ! is_numeric( $key ) ) {
 			// Route option, skip here.
 			continue;
 		}
 		$arg_group         = array_merge( $defaults, $arg_group );
 		$arg_group['args'] = array_merge( $common_args, $arg_group['args'] );
-	}
+		if ( ! isset( $arg_group['permission_callback'] ) ) {
-	$full_route = '/' . trim( $namespace, '/' ) . '/' . trim( $route, '/' );
+			_doing_it_wrong(
-	rest_get_server()->register_route( $namespace, $full_route, $args, $override );
+				__FUNCTION__,
+				sprintf(
+					/* translators: 1. The REST API route being registered. 2. The argument name. 3. The suggested function name. */
+					__( 'The REST API route definition for %1$s is missing the required %2$s argument. For REST API routes that are intended to be public, use %3$s as the permission callback.' ),
+					'<code>' . $clean_namespace . '/' . trim( $route, '/' ) . '</code>',
+					'<code>permission_callback</code>',
+					'<code>__return_true</code>'
+				),
+				'5.5.0'
+			);
+		}
+	}
+	$full_route = '/' . $clean_namespace . '/' . trim( $route, '/' );
+	rest_get_server()->register_route( $clean_namespace, $full_route, $args, $override );
 	return true;
 }
 /**
 * Registers a new field on an existing WordPress object type.
 * @global array $wp_rest_additional_fields Holds registered fields, organized
 *                                          by object type.
 *
 * @param string|array $object_type Object(s) the field is being registered
 *                                  to, "post"|"term"|"comment" etc.
-* @param string $attribute         The attribute name.
+* @param string       $attribute   The attribute name.
-* @param array  $args {
+* @param array        $args {
 *     Optional. An array of arguments used to handle the registered field.
 *
-*     @type string|array|null $get_callback    Optional. The callback function used to retrieve the field
+*     @type callable|null $get_callback    Optional. The callback function used to retrieve the field value. Default is
-*                                              value. Default is 'null', the field will not be returned in
+*                                          'null', the field will not be returned in the response. The function will
-*                                              the response.
+*                                          be passed the prepared object data.
-*     @type string|array|null $update_callback Optional. The callback function used to set and update the
+*     @type callable|null $update_callback Optional. The callback function used to set and update the field value. Default
-*                                              field value. Default is 'null', the value cannot be set or
+*                                          is 'null', the value cannot be set or updated. The function will be passed
-*                                              updated.
+*                                          the model object, like WP_Post.
-*     @type string|array|null $schema          Optional. The callback function used to create the schema for
+*     @type array|null $schema             Optional. The callback function used to create the schema for this field.
-*                                              this field. Default is 'null', no schema entry will be returned.
+*                                          Default is 'null', no schema entry will be returned.
 * }
 */
 function register_rest_field( $object_type, $attribute, $args = array() ) {
 	$defaults = array(
 		'get_callback'    => null,
 * Adds REST rewrite rules.
 *
 * @since 4.4.0
 *
 * @see add_rewrite_rule()
-* @global WP_Rewrite $wp_rewrite
+* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 */
 function rest_api_register_rewrites() {
 	global $wp_rewrite;
 	add_rewrite_rule( '^' . rest_get_url_prefix() . '/?$', 'index.php?rest_route=/', 'top' );
 * to make testing and disabling these filters easier.
 *
 * @since 4.4.0
 */
 function rest_api_default_filters() {
-	// Deprecated reporting.
+	if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
-	add_action( 'deprecated_function_run', 'rest_handle_deprecated_function', 10, 3 );
+		// Deprecated reporting.
-	add_filter( 'deprecated_function_trigger_error', '__return_false' );
+		add_action( 'deprecated_function_run', 'rest_handle_deprecated_function', 10, 3 );
-	add_action( 'deprecated_argument_run', 'rest_handle_deprecated_argument', 10, 3 );
+		add_filter( 'deprecated_function_trigger_error', '__return_false' );
-	add_filter( 'deprecated_argument_trigger_error', '__return_false' );
+		add_action( 'deprecated_argument_run', 'rest_handle_deprecated_argument', 10, 3 );
+		add_filter( 'deprecated_argument_trigger_error', '__return_false' );
+		add_action( 'doing_it_wrong_run', 'rest_handle_doing_it_wrong', 10, 3 );
+		add_filter( 'doing_it_wrong_trigger_error', '__return_false' );
+	}
 	// Default serving.
 	add_filter( 'rest_pre_serve_request', 'rest_send_cors_headers' );
 	add_filter( 'rest_post_dispatch', 'rest_send_allow_header', 10, 3 );
 	add_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10, 3 );
 *
 * @since 4.7.0
 */
 function create_initial_rest_routes() {
 	foreach ( get_post_types( array( 'show_in_rest' => true ), 'objects' ) as $post_type ) {
-		$class = ! empty( $post_type->rest_controller_class ) ? $post_type->rest_controller_class : 'WP_REST_Posts_Controller';
+		$controller = $post_type->get_rest_controller();
-		if ( ! class_exists( $class ) ) {
+		if ( ! $controller ) {
-			continue;
-		}
-		$controller = new $class( $post_type->name );
-		if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
 			continue;
 		}
 		$controller->register_routes();
 	$controller = new WP_REST_Taxonomies_Controller;
 	$controller->register_routes();
 	// Terms.
 	foreach ( get_taxonomies( array( 'show_in_rest' => true ), 'object' ) as $taxonomy ) {
-		$class = ! empty( $taxonomy->rest_controller_class ) ? $taxonomy->rest_controller_class : 'WP_REST_Terms_Controller';
+		$controller = $taxonomy->get_rest_controller();
-		if ( ! class_exists( $class ) ) {
+		if ( ! $controller ) {
-			continue;
-		}
-		$controller = new $class( $taxonomy->name );
-		if ( ! is_subclass_of( $controller, 'WP_REST_Controller' ) ) {
 			continue;
 		}
 		$controller->register_routes();
 	}
 	// Block Renderer.
 	$controller = new WP_REST_Block_Renderer_Controller;
 	$controller->register_routes();
+	// Block Types.
+	$controller = new WP_REST_Block_Types_Controller();
+	$controller->register_routes();
 	// Settings.
 	$controller = new WP_REST_Settings_Controller;
 	$controller->register_routes();
 	// Themes.
 	$controller = new WP_REST_Themes_Controller;
 	$controller->register_routes();
+	// Plugins.
+	$controller = new WP_REST_Plugins_Controller();
+	$controller->register_routes();
+	// Block Directory.
+	$controller = new WP_REST_Block_Directory_Controller();
+	$controller->register_routes();
 }
 /**
 * Loads the REST API.
 *
 * @since 4.4.0
 *
-* @global WP             $wp             Current WordPress environment instance.
+* @global WP $wp Current WordPress environment instance.
 */
 function rest_api_loaded() {
 	if ( empty( $GLOBALS['wp']->query_vars['rest_route'] ) ) {
 		return;
 	}
 * Note: The returned URL is NOT escaped.
 *
 * @since 4.4.0
 *
 * @todo Check if this is even necessary
-* @global WP_Rewrite $wp_rewrite
+* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 *
 * @param int    $blog_id Optional. Blog ID. Default of null returns URL for current blog.
 * @param string $path    Optional. REST route. Default '/'.
 * @param string $scheme  Optional. Sanitization scheme. Default 'rest'.
 * @return string Full URL to the endpoint.
 		}
 		$url .= $path;
 	} else {
 		$url = trailingslashit( get_home_url( $blog_id, '', $scheme ) );
-		// nginx only allows HTTP/1.0 methods when redirecting from / to /index.php
+		// nginx only allows HTTP/1.0 methods when redirecting from / to /index.php.
 		// To work around this, we manually add index.php to the URL, avoiding the redirect.
 		if ( 'index.php' !== substr( $url, 9 ) ) {
 			$url .= 'index.php';
 		}
 		$url = add_query_arg( 'rest_route', $path, $url );
 	}
-	if ( is_ssl() ) {
+	if ( is_ssl() && isset( $_SERVER['SERVER_NAME'] ) ) {
 		// If the current host is the same as the REST URL host, force the REST URL scheme to HTTPS.
-		if ( $_SERVER['SERVER_NAME'] === parse_url( get_home_url( $blog_id ), PHP_URL_HOST ) ) {
+		if ( parse_url( get_home_url( $blog_id ), PHP_URL_HOST ) === $_SERVER['SERVER_NAME'] ) {
 			$url = set_url_scheme( $url, 'https' );
 		}
 	}
 	if ( is_admin() && force_ssl_admin() ) {
-		// In this situation the home URL may be http:, and `is_ssl()` may be
+		/*
-		// false, but the admin is served over https: (one way or another), so
+		 * In this situation the home URL may be http:, and `is_ssl()` may be false,
-		// REST API usage will be blocked by browsers unless it is also served
+		 * but the admin is served over https: (one way or another), so REST API usage
-		// over HTTPS.
+		 * will be blocked by browsers unless it is also served over HTTPS.
+		 */
 		$url = set_url_scheme( $url, 'https' );
 	}
 	/**
 	 * Filters the REST URL.
 * Note: The returned URL is NOT escaped.
 *
 * @since 4.4.0
 *
 * @param string $path   Optional. REST route. Default empty.
-* @param string $scheme Optional. Sanitization scheme. Default 'json'.
+* @param string $scheme Optional. Sanitization scheme. Default 'rest'.
 * @return string Full URL to the endpoint.
 */
-function rest_url( $path = '', $scheme = 'json' ) {
+function rest_url( $path = '', $scheme = 'rest' ) {
 	return get_rest_url( null, $path, $scheme );
 }
 /**
 * Do a REST request.
 /**
 * Ensures request arguments are a request object (for consistency).
 *
 * @since 4.4.0
-*
+* @since 5.3.0 Accept string argument for the request path.
-* @param array|WP_REST_Request $request Request to check.
+*
+* @param array|string|WP_REST_Request $request Request to check.
 * @return WP_REST_Request REST request instance.
 */
 function rest_ensure_request( $request ) {
 	if ( $request instanceof WP_REST_Request ) {
 		return $request;
 	}
+	if ( is_string( $request ) ) {
+		return new WP_REST_Request( 'GET', $request );
+	}
 	return new WP_REST_Request( 'GET', '', $request );
 }
 /**
 * Ensures a REST response is a response object (for consistency).
 *
-* This implements WP_HTTP_Response, allowing usage of `set_status`/`header`/etc
+* This implements WP_REST_Response, allowing usage of `set_status`/`header`/etc
 * without needing to double-check the object. Will also allow WP_Error to indicate error
 * responses, so users should immediately check for this value.
 *
 * @since 4.4.0
 *
-* @param WP_Error|WP_HTTP_Response|mixed $response Response to check.
+* @param WP_REST_Response|WP_Error|WP_HTTP_Response|mixed $response Response to check.
-* @return WP_REST_Response|mixed If response generated an error, WP_Error, if response
+* @return WP_REST_Response|WP_Error If response generated an error, WP_Error, if response
-*                                is already an instance, WP_HTTP_Response, otherwise
+*                                   is already an instance, WP_REST_Response, otherwise
-*                                returns a new WP_REST_Response instance.
+*                                   returns a new WP_REST_Response instance.
 */
 function rest_ensure_response( $response ) {
 	if ( is_wp_error( $response ) ) {
 		return $response;
 	}
+	if ( $response instanceof WP_REST_Response ) {
+		return $response;
+	}
+	// While WP_HTTP_Response is the base class of WP_REST_Response, it doesn't provide
+	// all the required methods used in WP_REST_Server::dispatch().
 	if ( $response instanceof WP_HTTP_Response ) {
-		return $response;
+		return new WP_REST_Response(
+			$response->get_data(),
+			$response->get_status(),
+			$response->get_headers()
+		);
 	}
 	return new WP_REST_Response( $response );
 }
 function rest_handle_deprecated_function( $function, $replacement, $version ) {
 	if ( ! WP_DEBUG || headers_sent() ) {
 		return;
 	}
 	if ( ! empty( $replacement ) ) {
-		/* translators: 1: function name, 2: WordPress version number, 3: new function name */
+		/* translators: 1: Function name, 2: WordPress version number, 3: New function name. */
 		$string = sprintf( __( '%1$s (since %2$s; use %3$s instead)' ), $function, $version, $replacement );
 	} else {
-		/* translators: 1: function name, 2: WordPress version number */
+		/* translators: 1: Function name, 2: WordPress version number. */
 		$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
 	}
 	header( sprintf( 'X-WP-DeprecatedFunction: %s', $string ) );
 }
 */
 function rest_handle_deprecated_argument( $function, $message, $version ) {
 	if ( ! WP_DEBUG || headers_sent() ) {
 		return;
 	}
-	if ( ! empty( $message ) ) {
+	if ( $message ) {
-		/* translators: 1: function name, 2: WordPress version number, 3: error message */
+		/* translators: 1: Function name, 2: WordPress version number, 3: Error message. */
 		$string = sprintf( __( '%1$s (since %2$s; %3$s)' ), $function, $version, $message );
 	} else {
-		/* translators: 1: function name, 2: WordPress version number */
+		/* translators: 1: Function name, 2: WordPress version number. */
 		$string = sprintf( __( '%1$s (since %2$s; no alternative available)' ), $function, $version );
 	}
 	header( sprintf( 'X-WP-DeprecatedParam: %s', $string ) );
+}
+/**
+* Handles _doing_it_wrong errors.
+*
+* @since 5.5.0
+*
+* @param string      $function The function that was called.
+* @param string      $message  A message explaining what has been done incorrectly.
+* @param string|null $version  The version of WordPress where the message was added.
+*/
+function rest_handle_doing_it_wrong( $function, $message, $version ) {
+	if ( ! WP_DEBUG || headers_sent() ) {
+		return;
+	}
+	if ( $version ) {
+		/* translators: Developer debugging message. 1: PHP function name, 2: WordPress version number, 3: Explanatory message. */
+		$string = __( '%1$s (since %2$s; %3$s)' );
+		$string = sprintf( $string, $function, $version, $message );
+	} else {
+		/* translators: Developer debugging message. 1: PHP function name, 2: Explanatory message. */
+		$string = __( '%1$s (%2$s)' );
+		$string = sprintf( $string, $function, $message );
+	}
+	header( sprintf( 'X-WP-DoingItWrong: %s', $string ) );
 }
 /**
 * Sends Cross-Origin Resource Sharing headers with API requests.
 *
 */
 function rest_send_cors_headers( $value ) {
 	$origin = get_http_origin();
 	if ( $origin ) {
-		// Requests from file:// and data: URLs send "Origin: null"
+		// Requests from file:// and data: URLs send "Origin: null".
 		if ( 'null' !== $origin ) {
 			$origin = esc_url_raw( $origin );
 		}
 		header( 'Access-Control-Allow-Origin: ' . $origin );
 		header( 'Access-Control-Allow-Methods: OPTIONS, GET, POST, PUT, PATCH, DELETE' );
 		header( 'Access-Control-Allow-Credentials: true' );
 		header( 'Vary: Origin', false );
 	} elseif ( ! headers_sent() && 'GET' === $_SERVER['REQUEST_METHOD'] && ! is_user_logged_in() ) {
-		header( 'Vary: Origin' );
+		header( 'Vary: Origin', false );
 	}
 	return $value;
 }
 				$args[ $param ] = $value;
 			}
 		}
 		foreach ( $endpoints as $endpoint ) {
-			// Remove the redundant preg_match argument.
+			// Remove the redundant preg_match() argument.
 			unset( $args[0] );
 			$request->set_url_params( $args );
 			$request->set_attributes( $endpoint );
 		}
 	return $response;
 }
 /**
+* Recursively computes the intersection of arrays using keys for comparison.
+*
+* @since 5.3.0
+*
+* @param array $array1 The array with master keys to check.
+* @param array $array2 An array to compare keys against.
+* @return array An associative array containing all the entries of array1 which have keys
+*               that are present in all arguments.
+*/
+function _rest_array_intersect_key_recursive( $array1, $array2 ) {
+	$array1 = array_intersect_key( $array1, $array2 );
+	foreach ( $array1 as $key => $value ) {
+		if ( is_array( $value ) && is_array( $array2[ $key ] ) ) {
+			$array1[ $key ] = _rest_array_intersect_key_recursive( $value, $array2[ $key ] );
+		}
+	}
+	return $array1;
+}
+/**
 * Filter the API response to include only a white-listed set of response object fields.
 *
 * @since 4.8.0
 *
 * @param WP_REST_Response $response Current response being served.
 * @param WP_REST_Server   $server   ResponseHandler instance (usually WP_REST_Server).
 * @param WP_REST_Request  $request  The request that was used to make current response.
-*
 * @return WP_REST_Response Response to be served, trimmed down to contain a subset of fields.
 */
 function rest_filter_response_fields( $response, $server, $request ) {
 	if ( ! isset( $request['_fields'] ) || $response->is_error() ) {
 		return $response;
 	}
 	// Trim off outside whitespace from the comma delimited list.
 	$fields = array_map( 'trim', $fields );
-	$fields_as_keyed = array_combine( $fields, array_fill( 0, count( $fields ), true ) );
+	// Create nested array of accepted field hierarchy.
+	$fields_as_keyed = array();
+	foreach ( $fields as $field ) {
+		$parts = explode( '.', $field );
+		$ref   = &$fields_as_keyed;
+		while ( count( $parts ) > 1 ) {
+			$next = array_shift( $parts );
+			if ( isset( $ref[ $next ] ) && true === $ref[ $next ] ) {
+				// Skip any sub-properties if their parent prop is already marked for inclusion.
+				break 2;
+			}
+			$ref[ $next ] = isset( $ref[ $next ] ) ? $ref[ $next ] : array();
+			$ref          = &$ref[ $next ];
+		}
+		$last         = array_shift( $parts );
+		$ref[ $last ] = true;
+	}
 	if ( wp_is_numeric_array( $data ) ) {
 		$new_data = array();
 		foreach ( $data as $item ) {
-			$new_data[] = array_intersect_key( $item, $fields_as_keyed );
+			$new_data[] = _rest_array_intersect_key_recursive( $item, $fields_as_keyed );
 		}
 	} else {
-		$new_data = array_intersect_key( $data, $fields_as_keyed );
+		$new_data = _rest_array_intersect_key_recursive( $data, $fields_as_keyed );
 	}
 	$response->set_data( $new_data );
 	return $response;
+}
+/**
+* Given an array of fields to include in a response, some of which may be
+* `nested.fields`, determine whether the provided field should be included
+* in the response body.
+*
+* If a parent field is passed in, the presence of any nested field within
+* that parent will cause the method to return `true`. For example "title"
+* will return true if any of `title`, `title.raw` or `title.rendered` is
+* provided.
+*
+* @since 5.3.0
+*
+* @param string $field  A field to test for inclusion in the response body.
+* @param array  $fields An array of string fields supported by the endpoint.
+* @return bool Whether to include the field or not.
+*/
+function rest_is_field_included( $field, $fields ) {
+	if ( in_array( $field, $fields, true ) ) {
+		return true;
+	}
+	foreach ( $fields as $accepted_field ) {
+		// Check to see if $field is the parent of any item in $fields.
+		// A field "parent" should be accepted if "parent.child" is accepted.
+		if ( strpos( $accepted_field, "$field." ) === 0 ) {
+			return true;
+		}
+		// Conversely, if "parent" is accepted, all "parent.child" fields
+		// should also be accepted.
+		if ( strpos( $field, "$accepted_field." ) === 0 ) {
+			return true;
+		}
+	}
+	return false;
 }
 /**
 * Adds the REST API URL to the WP RSD endpoint.
 *
 	if ( empty( $api_root ) ) {
 		return;
 	}
-	echo "<link rel='https://api.w.org/' href='" . esc_url( $api_root ) . "' />\n";
+	printf( '<link rel="https://api.w.org/" href="%s" />', esc_url( $api_root ) );
+	$resource = rest_get_queried_resource_route();
+	if ( $resource ) {
+		printf( '<link rel="alternate" type="application/json" href="%s" />', esc_url( rest_url( $resource ) ) );
+	}
 }
 /**
 * Sends a Link header for the REST API.
 *
 	if ( empty( $api_root ) ) {
 		return;
 	}
-	header( 'Link: <' . esc_url_raw( $api_root ) . '>; rel="https://api.w.org/"', false );
+	header( sprintf( 'Link: <%s>; rel="https://api.w.org/"', esc_url_raw( $api_root ) ), false );
+	$resource = rest_get_queried_resource_route();
+	if ( $resource ) {
+		header( sprintf( 'Link: <%s>; rel="alternate"; type="application/json"', esc_url_raw( rest_url( $resource ) ) ), false );
+	}
 }
 /**
 * Checks for errors when using cookie-based authentication.
 *
 * @since 4.4.0
 *
 * @global mixed          $wp_rest_auth_cookie
 *
 * @param WP_Error|mixed $result Error from another authentication handler,
-*                               null if we should handle it, or another value
+*                               null if we should handle it, or another value if not.
-*                               if not.
 * @return WP_Error|mixed|bool WP_Error if the cookie is invalid, the $result, otherwise true.
 */
 function rest_cookie_check_errors( $result ) {
 	if ( ! empty( $result ) ) {
 		return $result;
 	$wp_rest_auth_cookie = true;
 }
 /**
-* Parses an RFC3339 time into a Unix timestamp.
+* Retrieves the avatar urls in various sizes.
-*
-* @since 4.4.0
-*
-* @param string $date      RFC3339 timestamp.
-* @param bool   $force_utc Optional. Whether to force UTC timezone instead of using
-*                          the timestamp's timezone. Default false.
-* @return int Unix timestamp.
-*/
-function rest_parse_date( $date, $force_utc = false ) {
-	if ( $force_utc ) {
-		$date = preg_replace( '/[+-]\d+:?\d+$/', '+00:00', $date );
-	}
-	$regex = '#^\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}(?::\d{2})?)?$#';
-	if ( ! preg_match( $regex, $date, $matches ) ) {
-		return false;
-	}
-	return strtotime( $date );
-}
-/**
-* Parses a date into both its local and UTC equivalent, in MySQL datetime format.
-*
-* @since 4.4.0
-*
-* @see rest_parse_date()
-*
-* @param string $date   RFC3339 timestamp.
-* @param bool   $is_utc Whether the provided date should be interpreted as UTC. Default false.
-* @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s),
-*                    null on failure.
-*/
-function rest_get_date_with_gmt( $date, $is_utc = false ) {
-	// Whether or not the original date actually has a timezone string
-	// changes the way we need to do timezone conversion.  Store this info
-	// before parsing the date, and use it later.
-	$has_timezone = preg_match( '#(Z|[+-]\d{2}(:\d{2})?)$#', $date );
-	$date = rest_parse_date( $date );
-	if ( empty( $date ) ) {
-		return null;
-	}
-	// At this point $date could either be a local date (if we were passed a
-	// *local* date without a timezone offset) or a UTC date (otherwise).
-	// Timezone conversion needs to be handled differently between these two
-	// cases.
-	if ( ! $is_utc && ! $has_timezone ) {
-		$local = date( 'Y-m-d H:i:s', $date );
-		$utc   = get_gmt_from_date( $local );
-	} else {
-		$utc   = date( 'Y-m-d H:i:s', $date );
-		$local = get_date_from_gmt( $utc );
-	}
-	return array( $local, $utc );
-}
-/**
-* Returns a contextual HTTP error code for authorization failure.
 *
 * @since 4.7.0
 *
-* @return integer 401 if the user is not logged in, 403 if the user is logged in.
-*/
-function rest_authorization_required_code() {
-	return is_user_logged_in() ? 403 : 401;
-}
-/**
-* Validate a request argument based on details registered to the route.
-*
-* @since 4.7.0
-*
-* @param  mixed            $value
-* @param  WP_REST_Request  $request
-* @param  string           $param
-* @return WP_Error|boolean
-*/
-function rest_validate_request_arg( $value, $request, $param ) {
-	$attributes = $request->get_attributes();
-	if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
-		return true;
-	}
-	$args = $attributes['args'][ $param ];
-	return rest_validate_value_from_schema( $value, $args, $param );
-}
-/**
-* Sanitize a request argument based on details registered to the route.
-*
-* @since 4.7.0
-*
-* @param  mixed            $value
-* @param  WP_REST_Request  $request
-* @param  string           $param
-* @return mixed
-*/
-function rest_sanitize_request_arg( $value, $request, $param ) {
-	$attributes = $request->get_attributes();
-	if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
-		return $value;
-	}
-	$args = $attributes['args'][ $param ];
-	return rest_sanitize_value_from_schema( $value, $args );
-}
-/**
-* Parse a request argument based on details registered to the route.
-*
-* Runs a validation check and sanitizes the value, primarily to be used via
-* the `sanitize_callback` arguments in the endpoint args registration.
-*
-* @since 4.7.0
-*
-* @param  mixed            $value
-* @param  WP_REST_Request  $request
-* @param  string           $param
-* @return mixed
-*/
-function rest_parse_request_arg( $value, $request, $param ) {
-	$is_valid = rest_validate_request_arg( $value, $request, $param );
-	if ( is_wp_error( $is_valid ) ) {
-		return $is_valid;
-	}
-	$value = rest_sanitize_request_arg( $value, $request, $param );
-	return $value;
-}
-/**
-* Determines if an IP address is valid.
-*
-* Handles both IPv4 and IPv6 addresses.
-*
-* @since 4.7.0
-*
-* @param  string $ip IP address.
-* @return string|false The valid IP address, otherwise false.
-*/
-function rest_is_ip_address( $ip ) {
-	$ipv4_pattern = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/';
-	if ( ! preg_match( $ipv4_pattern, $ip ) && ! Requests_IPv6::check_ipv6( $ip ) ) {
-		return false;
-	}
-	return $ip;
-}
-/**
-* Changes a boolean-like value into the proper boolean value.
-*
-* @since 4.7.0
-*
-* @param bool|string|int $value The value being evaluated.
-* @return boolean Returns the proper associated boolean value.
-*/
-function rest_sanitize_boolean( $value ) {
-	// String values are translated to `true`; make sure 'false' is false.
-	if ( is_string( $value ) ) {
-		$value = strtolower( $value );
-		if ( in_array( $value, array( 'false', '0' ), true ) ) {
-			$value = false;
-		}
-	}
-	// Everything else will map nicely to boolean.
-	return (bool) $value;
-}
-/**
-* Determines if a given value is boolean-like.
-*
-* @since 4.7.0
-*
-* @param bool|string $maybe_bool The value being evaluated.
-* @return boolean True if a boolean, otherwise false.
-*/
-function rest_is_boolean( $maybe_bool ) {
-	if ( is_bool( $maybe_bool ) ) {
-		return true;
-	}
-	if ( is_string( $maybe_bool ) ) {
-		$maybe_bool = strtolower( $maybe_bool );
-		$valid_boolean_values = array(
-			'false',
-			'true',
-			'0',
-			'1',
-		);
-		return in_array( $maybe_bool, $valid_boolean_values, true );
-	}
-	if ( is_int( $maybe_bool ) ) {
-		return in_array( $maybe_bool, array( 0, 1 ), true );
-	}
-	return false;
-}
-/**
-* Retrieves the avatar urls in various sizes based on a given email address.
-*
-* @since 4.7.0
-*
 * @see get_avatar_url()
 *
-* @param string $email Email address.
+* @param mixed $id_or_email The Gravatar to retrieve a URL for. Accepts a user_id, gravatar md5 hash,
-* @return array $urls Gravatar url for each size.
+*                           user email, WP_User object, WP_Post object, or WP_Comment object.
-*/
+* @return array Avatar URLs keyed by size. Each value can be a URL string or boolean false.
-function rest_get_avatar_urls( $email ) {
+*/
+function rest_get_avatar_urls( $id_or_email ) {
 	$avatar_sizes = rest_get_avatar_sizes();
 	$urls = array();
 	foreach ( $avatar_sizes as $size ) {
-		$urls[ $size ] = get_avatar_url( $email, array( 'size' => $size ) );
+		$urls[ $size ] = get_avatar_url( $id_or_email, array( 'size' => $size ) );
 	}
 	return $urls;
 }
 /**
 * Retrieves the pixel sizes for avatars.
 *
 * @since 4.7.0
 *
-* @return array List of pixel sizes for avatars. Default `[ 24, 48, 96 ]`.
+* @return int[] List of pixel sizes for avatars. Default `[ 24, 48, 96 ]`.
 */
 function rest_get_avatar_sizes() {
 	/**
 	 * Filters the REST avatar sizes.
 	 *
 	 * Use this filter to adjust the array of sizes returned by the
 	 * `rest_get_avatar_sizes` function.
 	 *
 	 * @since 4.4.0
 	 *
-	 * @param array $sizes An array of int values that are the pixel sizes for avatars.
+	 * @param int[] $sizes An array of int values that are the pixel sizes for avatars.
 	 *                     Default `[ 24, 48, 96 ]`.
 	 */
 	return apply_filters( 'rest_avatar_sizes', array( 24, 48, 96 ) );
 }
 /**
+* Parses an RFC3339 time into a Unix timestamp.
+*
+* @since 4.4.0
+*
+* @param string $date      RFC3339 timestamp.
+* @param bool   $force_utc Optional. Whether to force UTC timezone instead of using
+*                          the timestamp's timezone. Default false.
+* @return int Unix timestamp.
+*/
+function rest_parse_date( $date, $force_utc = false ) {
+	if ( $force_utc ) {
+		$date = preg_replace( '/[+-]\d+:?\d+$/', '+00:00', $date );
+	}
+	$regex = '#^\d{4}-\d{2}-\d{2}[Tt ]\d{2}:\d{2}:\d{2}(?:\.\d+)?(?:Z|[+-]\d{2}(?::\d{2})?)?$#';
+	if ( ! preg_match( $regex, $date, $matches ) ) {
+		return false;
+	}
+	return strtotime( $date );
+}
+/**
+* Parses a 3 or 6 digit hex color (with #).
+*
+* @since 5.4.0
+*
+* @param string $color 3 or 6 digit hex color (with #).
+* @return string|false
+*/
+function rest_parse_hex_color( $color ) {
+	$regex = '|^#([A-Fa-f0-9]{3}){1,2}$|';
+	if ( ! preg_match( $regex, $color, $matches ) ) {
+		return false;
+	}
+	return $color;
+}
+/**
+* Parses a date into both its local and UTC equivalent, in MySQL datetime format.
+*
+* @since 4.4.0
+*
+* @see rest_parse_date()
+*
+* @param string $date   RFC3339 timestamp.
+* @param bool   $is_utc Whether the provided date should be interpreted as UTC. Default false.
+* @return array|null Local and UTC datetime strings, in MySQL datetime format (Y-m-d H:i:s),
+*                    null on failure.
+*/
+function rest_get_date_with_gmt( $date, $is_utc = false ) {
+	/*
+	 * Whether or not the original date actually has a timezone string
+	 * changes the way we need to do timezone conversion.
+	 * Store this info before parsing the date, and use it later.
+	 */
+	$has_timezone = preg_match( '#(Z|[+-]\d{2}(:\d{2})?)$#', $date );
+	$date = rest_parse_date( $date );
+	if ( empty( $date ) ) {
+		return null;
+	}
+	/*
+	 * At this point $date could either be a local date (if we were passed
+	 * a *local* date without a timezone offset) or a UTC date (otherwise).
+	 * Timezone conversion needs to be handled differently between these two cases.
+	 */
+	if ( ! $is_utc && ! $has_timezone ) {
+		$local = gmdate( 'Y-m-d H:i:s', $date );
+		$utc   = get_gmt_from_date( $local );
+	} else {
+		$utc   = gmdate( 'Y-m-d H:i:s', $date );
+		$local = get_date_from_gmt( $utc );
+	}
+	return array( $local, $utc );
+}
+/**
+* Returns a contextual HTTP error code for authorization failure.
+*
+* @since 4.7.0
+*
+* @return integer 401 if the user is not logged in, 403 if the user is logged in.
+*/
+function rest_authorization_required_code() {
+	return is_user_logged_in() ? 403 : 401;
+}
+/**
+* Validate a request argument based on details registered to the route.
+*
+* @since 4.7.0
+*
+* @param mixed           $value
+* @param WP_REST_Request $request
+* @param string          $param
+* @return true|WP_Error
+*/
+function rest_validate_request_arg( $value, $request, $param ) {
+	$attributes = $request->get_attributes();
+	if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
+		return true;
+	}
+	$args = $attributes['args'][ $param ];
+	return rest_validate_value_from_schema( $value, $args, $param );
+}
+/**
+* Sanitize a request argument based on details registered to the route.
+*
+* @since 4.7.0
+*
+* @param mixed           $value
+* @param WP_REST_Request $request
+* @param string          $param
+* @return mixed
+*/
+function rest_sanitize_request_arg( $value, $request, $param ) {
+	$attributes = $request->get_attributes();
+	if ( ! isset( $attributes['args'][ $param ] ) || ! is_array( $attributes['args'][ $param ] ) ) {
+		return $value;
+	}
+	$args = $attributes['args'][ $param ];
+	return rest_sanitize_value_from_schema( $value, $args, $param );
+}
+/**
+* Parse a request argument based on details registered to the route.
+*
+* Runs a validation check and sanitizes the value, primarily to be used via
+* the `sanitize_callback` arguments in the endpoint args registration.
+*
+* @since 4.7.0
+*
+* @param mixed           $value
+* @param WP_REST_Request $request
+* @param string          $param
+* @return mixed
+*/
+function rest_parse_request_arg( $value, $request, $param ) {
+	$is_valid = rest_validate_request_arg( $value, $request, $param );
+	if ( is_wp_error( $is_valid ) ) {
+		return $is_valid;
+	}
+	$value = rest_sanitize_request_arg( $value, $request, $param );
+	return $value;
+}
+/**
+* Determines if an IP address is valid.
+*
+* Handles both IPv4 and IPv6 addresses.
+*
+* @since 4.7.0
+*
+* @param string $ip IP address.
+* @return string|false The valid IP address, otherwise false.
+*/
+function rest_is_ip_address( $ip ) {
+	$ipv4_pattern = '/^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/';
+	if ( ! preg_match( $ipv4_pattern, $ip ) && ! Requests_IPv6::check_ipv6( $ip ) ) {
+		return false;
+	}
+	return $ip;
+}
+/**
+* Changes a boolean-like value into the proper boolean value.
+*
+* @since 4.7.0
+*
+* @param bool|string|int $value The value being evaluated.
+* @return boolean Returns the proper associated boolean value.
+*/
+function rest_sanitize_boolean( $value ) {
+	// String values are translated to `true`; make sure 'false' is false.
+	if ( is_string( $value ) ) {
+		$value = strtolower( $value );
+		if ( in_array( $value, array( 'false', '0' ), true ) ) {
+			$value = false;
+		}
+	}
+	// Everything else will map nicely to boolean.
+	return (bool) $value;
+}
+/**
+* Determines if a given value is boolean-like.
+*
+* @since 4.7.0
+*
+* @param bool|string $maybe_bool The value being evaluated.
+* @return boolean True if a boolean, otherwise false.
+*/
+function rest_is_boolean( $maybe_bool ) {
+	if ( is_bool( $maybe_bool ) ) {
+		return true;
+	}
+	if ( is_string( $maybe_bool ) ) {
+		$maybe_bool = strtolower( $maybe_bool );
+		$valid_boolean_values = array(
+			'false',
+			'true',
+			'0',
+			'1',
+		);
+		return in_array( $maybe_bool, $valid_boolean_values, true );
+	}
+	if ( is_int( $maybe_bool ) ) {
+		return in_array( $maybe_bool, array( 0, 1 ), true );
+	}
+	return false;
+}
+/**
+* Determines if a given value is integer-like.
+*
+* @since 5.5.0
+*
+* @param mixed $maybe_integer The value being evaluated.
+* @return bool True if an integer, otherwise false.
+*/
+function rest_is_integer( $maybe_integer ) {
+	return is_numeric( $maybe_integer ) && round( floatval( $maybe_integer ) ) === floatval( $maybe_integer );
+}
+/**
+* Determines if a given value is array-like.
+*
+* @since 5.5.0
+*
+* @param mixed $maybe_array The value being evaluated.
+* @return bool
+*/
+function rest_is_array( $maybe_array ) {
+	if ( is_scalar( $maybe_array ) ) {
+		$maybe_array = wp_parse_list( $maybe_array );
+	}
+	return wp_is_numeric_array( $maybe_array );
+}
+/**
+* Converts an array-like value to an array.
+*
+* @since 5.5.0
+*
+* @param mixed $maybe_array The value being evaluated.
+* @return array Returns the array extracted from the value.
+*/
+function rest_sanitize_array( $maybe_array ) {
+	if ( is_scalar( $maybe_array ) ) {
+		return wp_parse_list( $maybe_array );
+	}
+	if ( ! is_array( $maybe_array ) ) {
+		return array();
+	}
+	// Normalize to numeric array so nothing unexpected is in the keys.
+	return array_values( $maybe_array );
+}
+/**
+* Determines if a given value is object-like.
+*
+* @since 5.5.0
+*
+* @param mixed $maybe_object The value being evaluated.
+* @return bool True if object like, otherwise false.
+*/
+function rest_is_object( $maybe_object ) {
+	if ( '' === $maybe_object ) {
+		return true;
+	}
+	if ( $maybe_object instanceof stdClass ) {
+		return true;
+	}
+	if ( $maybe_object instanceof JsonSerializable ) {
+		$maybe_object = $maybe_object->jsonSerialize();
+	}
+	return is_array( $maybe_object );
+}
+/**
+* Converts an object-like value to an object.
+*
+* @since 5.5.0
+*
+* @param mixed $maybe_object The value being evaluated.
+* @return array Returns the object extracted from the value.
+*/
+function rest_sanitize_object( $maybe_object ) {
+	if ( '' === $maybe_object ) {
+		return array();
+	}
+	if ( $maybe_object instanceof stdClass ) {
+		return (array) $maybe_object;
+	}
+	if ( $maybe_object instanceof JsonSerializable ) {
+		$maybe_object = $maybe_object->jsonSerialize();
+	}
+	if ( ! is_array( $maybe_object ) ) {
+		return array();
+	}
+	return $maybe_object;
+}
+/**
+* Gets the best type for a value.
+*
+* @since 5.5.0
+*
+* @param mixed $value The value to check.
+* @param array $types The list of possible types.
+* @return string The best matching type, an empty string if no types match.
+*/
+function rest_get_best_type_for_value( $value, $types ) {
+	static $checks = array(
+		'array'   => 'rest_is_array',
+		'object'  => 'rest_is_object',
+		'integer' => 'rest_is_integer',
+		'number'  => 'is_numeric',
+		'boolean' => 'rest_is_boolean',
+		'string'  => 'is_string',
+		'null'    => 'is_null',
+	);
+	// Both arrays and objects allow empty strings to be converted to their types.
+	// But the best answer for this type is a string.
+	if ( '' === $value && in_array( 'string', $types, true ) ) {
+		return 'string';
+	}
+	foreach ( $types as $type ) {
+		if ( isset( $checks[ $type ] ) && $checks[ $type ]( $value ) ) {
+			return $type;
+		}
+	}
+	return '';
+}
+/**
+* Handles getting the best type for a multi-type schema.
+*
+* This is a wrapper for {@see rest_get_best_type_for_value()} that handles
+* backward compatibility for schemas that use invalid types.
+*
+* @since 5.5.0
+*
+* @param mixed  $value The value to check.
+* @param array  $args  The schema array to use.
+* @param string $param The parameter name, used in error messages.
+* @return string
+*/
+function rest_handle_multi_type_schema( $value, $args, $param = '' ) {
+	$allowed_types = array( 'array', 'object', 'string', 'number', 'integer', 'boolean', 'null' );
+	$invalid_types = array_diff( $args['type'], $allowed_types );
+	if ( $invalid_types ) {
+		_doing_it_wrong(
+			__FUNCTION__,
+			/* translators: 1. Parameter. 2. List of allowed types. */
+			wp_sprintf( __( 'The "type" schema keyword for %1$s can only contain the built-in types: %2$l.' ), $param, $allowed_types ),
+			'5.5.0'
+		);
+	}
+	$best_type = rest_get_best_type_for_value( $value, $args['type'] );
+	if ( ! $best_type ) {
+		if ( ! $invalid_types ) {
+			return '';
+		}
+		// Backward compatibility for previous behavior which allowed the value if there was an invalid type used.
+		$best_type = reset( $invalid_types );
+	}
+	return $best_type;
+}
+/**
+* Checks if an array is made up of unique items.
+*
+* @since 5.5.0
+*
+* @param array $array The array to check.
+* @return bool True if the array contains unique items, false otherwise.
+*/
+function rest_validate_array_contains_unique_items( $array ) {
+	$seen = array();
+	foreach ( $array as $item ) {
+		$stabilized = rest_stabilize_value( $item );
+		$key        = serialize( $stabilized );
+		if ( ! isset( $seen[ $key ] ) ) {
+			$seen[ $key ] = true;
+			continue;
+		}
+		return false;
+	}
+	return true;
+}
+/**
+* Stabilizes a value following JSON Schema semantics.
+*
+* For lists, order is preserved. For objects, properties are reordered alphabetically.
+*
+* @since 5.5.0
+*
+* @param mixed $value The value to stabilize. Must already be sanitized. Objects should have been converted to arrays.
+* @return mixed The stabilized value.
+*/
+function rest_stabilize_value( $value ) {
+	if ( is_scalar( $value ) || is_null( $value ) ) {
+		return $value;
+	}
+	if ( is_object( $value ) ) {
+		_doing_it_wrong( __FUNCTION__, __( 'Cannot stabilize objects. Convert the object to an array first.' ), '5.5.0' );
+		return $value;
+	}
+	ksort( $value );
+	foreach ( $value as $k => $v ) {
+		$value[ $k ] = rest_stabilize_value( $v );
+	}
+	return $value;
+}
+/**
 * Validate a value based on a schema.
 *
 * @since 4.7.0
+* @since 4.9.0 Support the "object" type.
+* @since 5.2.0 Support validating "additionalProperties" against a schema.
+* @since 5.3.0 Support multiple types.
+* @since 5.4.0 Convert an empty string to an empty object.
+* @since 5.5.0 Add the "uuid" and "hex-color" formats.
+*              Support the "minLength", "maxLength" and "pattern" keywords for strings.
+*              Support the "minItems", "maxItems" and "uniqueItems" keywords for arrays.
+*              Validate required properties.
 *
 * @param mixed  $value The value to validate.
 * @param array  $args  Schema array to use for validation.
 * @param string $param The parameter name, used in error messages.
 * @return true|WP_Error
 */
 function rest_validate_value_from_schema( $value, $args, $param = '' ) {
+	$allowed_types = array( 'array', 'object', 'string', 'number', 'integer', 'boolean', 'null' );
+	if ( ! isset( $args['type'] ) ) {
+		/* translators: 1. Parameter */
+		_doing_it_wrong( __FUNCTION__, sprintf( __( 'The "type" schema keyword for %s is required.' ), $param ), '5.5.0' );
+	}
+	if ( is_array( $args['type'] ) ) {
+		$best_type = rest_handle_multi_type_schema( $value, $args, $param );
+		if ( ! $best_type ) {
+			/* translators: 1: Parameter, 2: List of types. */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, implode( ',', $args['type'] ) ) );
+		}
+		$args['type'] = $best_type;
+	}
+	if ( ! in_array( $args['type'], $allowed_types, true ) ) {
+		_doing_it_wrong(
+			__FUNCTION__,
+			/* translators: 1. Parameter 2. The list of allowed types. */
+			wp_sprintf( __( 'The "type" schema keyword for %1$s can only be one of the built-in types: %2$l.' ), $param, $allowed_types ),
+			'5.5.0'
+		);
+	}
 	if ( 'array' === $args['type'] ) {
-		if ( ! is_null( $value ) ) {
+		if ( ! rest_is_array( $value ) ) {
-			$value = wp_parse_list( $value );
+			/* translators: 1: Parameter, 2: Type name. */
-		}
-		if ( ! wp_is_numeric_array( $value ) ) {
-			/* translators: 1: parameter, 2: type name */
 			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'array' ) );
 		}
-		foreach ( $value as $index => $v ) {
-			$is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' );
+		$value = rest_sanitize_array( $value );
-			if ( is_wp_error( $is_valid ) ) {
-				return $is_valid;
+		if ( isset( $args['items'] ) ) {
+			foreach ( $value as $index => $v ) {
+				$is_valid = rest_validate_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' );
+				if ( is_wp_error( $is_valid ) ) {
+					return $is_valid;
+				}
 			}
 		}
+		if ( isset( $args['minItems'] ) && count( $value ) < $args['minItems'] ) {
+			/* translators: 1: Parameter, 2: Number. */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must contain at least %2$s items.' ), $param, number_format_i18n( $args['minItems'] ) ) );
+		}
+		if ( isset( $args['maxItems'] ) && count( $value ) > $args['maxItems'] ) {
+			/* translators: 1: Parameter, 2: Number. */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must contain at most %2$s items.' ), $param, number_format_i18n( $args['maxItems'] ) ) );
+		}
+		if ( ! empty( $args['uniqueItems'] ) && ! rest_validate_array_contains_unique_items( $value ) ) {
+			/* translators: 1: Parameter */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s has duplicate items.' ), $param ) );
+		}
 	}
 	if ( 'object' === $args['type'] ) {
-		if ( $value instanceof stdClass ) {
+		if ( ! rest_is_object( $value ) ) {
-			$value = (array) $value;
+			/* translators: 1: Parameter, 2: Type name. */
-		}
-		if ( ! is_array( $value ) ) {
-			/* translators: 1: parameter, 2: type name */
 			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'object' ) );
+		}
+		$value = rest_sanitize_object( $value );
+		if ( isset( $args['required'] ) && is_array( $args['required'] ) ) { // schema version 4
+			foreach ( $args['required'] as $name ) {
+				if ( ! array_key_exists( $name, $value ) ) {
+					/* translators: 1: Property of an object, 2: Parameter. */
+					return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) );
+				}
+			}
+		} elseif ( isset( $args['properties'] ) ) { // schema version 3
+			foreach ( $args['properties'] as $name => $property ) {
+				if ( isset( $property['required'] ) && true === $property['required'] && ! array_key_exists( $name, $value ) ) {
+					/* translators: 1: Property of an object, 2: Parameter. */
+					return new WP_Error( 'rest_property_required', sprintf( __( '%1$s is a required property of %2$s.' ), $name, $param ) );
+				}
+			}
 		}
 		foreach ( $value as $property => $v ) {
 			if ( isset( $args['properties'][ $property ] ) ) {
 				$is_valid = rest_validate_value_from_schema( $v, $args['properties'][ $property ], $param . '[' . $property . ']' );
 				if ( is_wp_error( $is_valid ) ) {
 					return $is_valid;
 				}
-			} elseif ( isset( $args['additionalProperties'] ) && false === $args['additionalProperties'] ) {
+			} elseif ( isset( $args['additionalProperties'] ) ) {
-				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
+				if ( false === $args['additionalProperties'] ) {
+					/* translators: %s: Property of an object. */
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not a valid property of Object.' ), $property ) );
+				}
+				if ( is_array( $args['additionalProperties'] ) ) {
+					$is_valid = rest_validate_value_from_schema( $v, $args['additionalProperties'], $param . '[' . $property . ']' );
+					if ( is_wp_error( $is_valid ) ) {
+						return $is_valid;
+					}
+				}
 			}
 		}
+	}
+	if ( 'null' === $args['type'] ) {
+		if ( null !== $value ) {
+			/* translators: 1: Parameter, 2: Type name. */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'null' ) );
+		}
+		return true;
 	}
 	if ( ! empty( $args['enum'] ) ) {
 		if ( ! in_array( $value, $args['enum'], true ) ) {
-			/* translators: 1: parameter, 2: list of valid values */
+			/* translators: 1: Parameter, 2: List of valid values. */
 			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not one of %2$s.' ), $param, implode( ', ', $args['enum'] ) ) );
 		}
 	}
-	if ( in_array( $args['type'], array( 'integer', 'number' ) ) && ! is_numeric( $value ) ) {
+	if ( in_array( $args['type'], array( 'integer', 'number' ), true ) && ! is_numeric( $value ) ) {
-		/* translators: 1: parameter, 2: type name */
+		/* translators: 1: Parameter, 2: Type name. */
 		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, $args['type'] ) );
 	}
-	if ( 'integer' === $args['type'] && round( floatval( $value ) ) !== floatval( $value ) ) {
+	if ( 'integer' === $args['type'] && ! rest_is_integer( $value ) ) {
-		/* translators: 1: parameter, 2: type name */
+		/* translators: 1: Parameter, 2: Type name. */
 		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'integer' ) );
 	}
 	if ( 'boolean' === $args['type'] && ! rest_is_boolean( $value ) ) {
-		/* translators: 1: parameter, 2: type name */
+		/* translators: 1: Parameter, 2: Type name. */
-		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $value, 'boolean' ) );
+		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'boolean' ) );
 	}
-	if ( 'string' === $args['type'] && ! is_string( $value ) ) {
+	if ( 'string' === $args['type'] ) {
-		/* translators: 1: parameter, 2: type name */
+		if ( ! is_string( $value ) ) {
-		return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'string' ) );
+			/* translators: 1: Parameter, 2: Type name. */
-	}
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s is not of type %2$s.' ), $param, 'string' ) );
+		}
-	if ( isset( $args['format'] ) ) {
+		if ( isset( $args['minLength'] ) && mb_strlen( $value ) < $args['minLength'] ) {
+			return new WP_Error(
+				'rest_invalid_param',
+				sprintf(
+					/* translators: 1: Parameter, 2: Number of characters. */
+					_n( '%1$s must be at least %2$s character long.', '%1$s must be at least %2$s characters long.', $args['minLength'] ),
+					$param,
+					number_format_i18n( $args['minLength'] )
+				)
+			);
+		}
+		if ( isset( $args['maxLength'] ) && mb_strlen( $value ) > $args['maxLength'] ) {
+			return new WP_Error(
+				'rest_invalid_param',
+				sprintf(
+					/* translators: 1: Parameter, 2: Number of characters. */
+					_n( '%1$s must be at most %2$s character long.', '%1$s must be at most %2$s characters long.', $args['maxLength'] ),
+					$param,
+					number_format_i18n( $args['maxLength'] )
+				)
+			);
+		}
+		if ( isset( $args['pattern'] ) ) {
+			$pattern = str_replace( '#', '\\#', $args['pattern'] );
+			if ( ! preg_match( '#' . $pattern . '#u', $value ) ) {
+				/* translators: 1: Parameter, 2: Pattern. */
+				return new WP_Error( 'rest_invalid_pattern', sprintf( __( '%1$s does not match pattern %2$s.' ), $param, $args['pattern'] ) );
+			}
+		}
+	}
+	// The "format" keyword should only be applied to strings. However, for backward compatibility,
+	// we allow the "format" keyword if the type keyword was not specified, or was set to an invalid value.
+	if ( isset( $args['format'] )
+		&& ( ! isset( $args['type'] ) || 'string' === $args['type'] || ! in_array( $args['type'], $allowed_types, true ) )
+	) {
 		switch ( $args['format'] ) {
+			case 'hex-color':
+				if ( ! rest_parse_hex_color( $value ) ) {
+					return new WP_Error( 'rest_invalid_hex_color', __( 'Invalid hex color.' ) );
+				}
+				break;
 			case 'date-time':
 				if ( ! rest_parse_date( $value ) ) {
 					return new WP_Error( 'rest_invalid_date', __( 'Invalid date.' ) );
 				}
 				break;
 					return new WP_Error( 'rest_invalid_email', __( 'Invalid email address.' ) );
 				}
 				break;
 			case 'ip':
 				if ( ! rest_is_ip_address( $value ) ) {
-					/* translators: %s: IP address */
+					/* translators: %s: IP address. */
-					return new WP_Error( 'rest_invalid_param', sprintf( __( '%s is not a valid IP address.' ), $value ) );
+					return new WP_Error( 'rest_invalid_param', sprintf( __( '%s is not a valid IP address.' ), $param ) );
+				}
+				break;
+			case 'uuid':
+				if ( ! wp_is_uuid( $value ) ) {
+					/* translators: %s is the name of a JSON field expecting a valid uuid. */
+					return new WP_Error( 'rest_invalid_uuid', sprintf( __( '%s is not a valid UUID.' ), $param ) );
 				}
 				break;
 		}
 	}
 	if ( in_array( $args['type'], array( 'number', 'integer' ), true ) && ( isset( $args['minimum'] ) || isset( $args['maximum'] ) ) ) {
 		if ( isset( $args['minimum'] ) && ! isset( $args['maximum'] ) ) {
 			if ( ! empty( $args['exclusiveMinimum'] ) && $value <= $args['minimum'] ) {
-				/* translators: 1: parameter, 2: minimum number */
+				/* translators: 1: Parameter, 2: Minimum number. */
 				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than %2$d' ), $param, $args['minimum'] ) );
 			} elseif ( empty( $args['exclusiveMinimum'] ) && $value < $args['minimum'] ) {
-				/* translators: 1: parameter, 2: minimum number */
+				/* translators: 1: Parameter, 2: Minimum number. */
 				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be greater than or equal to %2$d' ), $param, $args['minimum'] ) );
 			}
 		} elseif ( isset( $args['maximum'] ) && ! isset( $args['minimum'] ) ) {
 			if ( ! empty( $args['exclusiveMaximum'] ) && $value >= $args['maximum'] ) {
-				/* translators: 1: parameter, 2: maximum number */
+				/* translators: 1: Parameter, 2: Maximum number. */
 				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than %2$d' ), $param, $args['maximum'] ) );
 			} elseif ( empty( $args['exclusiveMaximum'] ) && $value > $args['maximum'] ) {
-				/* translators: 1: parameter, 2: maximum number */
+				/* translators: 1: Parameter, 2: Maximum number. */
 				return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be less than or equal to %2$d' ), $param, $args['maximum'] ) );
 			}
 		} elseif ( isset( $args['maximum'] ) && isset( $args['minimum'] ) ) {
 			if ( ! empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
 				if ( $value >= $args['maximum'] || $value <= $args['minimum'] ) {
-					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
 					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
 				}
 			} elseif ( empty( $args['exclusiveMinimum'] ) && ! empty( $args['exclusiveMaximum'] ) ) {
 				if ( $value >= $args['maximum'] || $value < $args['minimum'] ) {
-					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
 					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (exclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
 				}
 			} elseif ( ! empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
 				if ( $value > $args['maximum'] || $value <= $args['minimum'] ) {
-					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
 					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (exclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
 				}
 			} elseif ( empty( $args['exclusiveMinimum'] ) && empty( $args['exclusiveMaximum'] ) ) {
 				if ( $value > $args['maximum'] || $value < $args['minimum'] ) {
-					/* translators: 1: parameter, 2: minimum number, 3: maximum number */
+					/* translators: 1: Parameter, 2: Minimum number, 3: Maximum number. */
 					return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s must be between %2$d (inclusive) and %3$d (inclusive)' ), $param, $args['minimum'], $args['maximum'] ) );
 				}
 			}
 		}
 	}
 /**
 * Sanitize a value based on a schema.
 *
 * @since 4.7.0
-*
+* @since 5.5.0 Added the `$param` parameter.
-* @param mixed $value The value to sanitize.
+*
-* @param array $args  Schema array to use for sanitization.
+* @param mixed  $value The value to sanitize.
-* @return true|WP_Error
+* @param array  $args  Schema array to use for sanitization.
-*/
+* @param string $param The parameter name, used in error messages.
-function rest_sanitize_value_from_schema( $value, $args ) {
+* @return mixed|WP_Error The sanitized value or a WP_Error instance if the value cannot be safely sanitized.
+*/
+function rest_sanitize_value_from_schema( $value, $args, $param = '' ) {
+	$allowed_types = array( 'array', 'object', 'string', 'number', 'integer', 'boolean', 'null' );
+	if ( ! isset( $args['type'] ) ) {
+		/* translators: 1. Parameter */
+		_doing_it_wrong( __FUNCTION__, sprintf( __( 'The "type" schema keyword for %s is required.' ), $param ), '5.5.0' );
+	}
+	if ( is_array( $args['type'] ) ) {
+		$best_type = rest_handle_multi_type_schema( $value, $args, $param );
+		if ( ! $best_type ) {
+			return null;
+		}
+		$args['type'] = $best_type;
+	}
+	if ( ! in_array( $args['type'], $allowed_types, true ) ) {
+		_doing_it_wrong(
+			__FUNCTION__,
+			/* translators: 1. Parameter. 2. The list of allowed types. */
+			wp_sprintf( __( 'The "type" schema keyword for %1$s can only be one of the built-in types: %2$l.' ), $param, $allowed_types ),
+			'5.5.0'
+		);
+	}
 	if ( 'array' === $args['type'] ) {
-		if ( empty( $args['items'] ) ) {
+		$value = rest_sanitize_array( $value );
-			return (array) $value;
-		}
+		if ( ! empty( $args['items'] ) ) {
-		$value = wp_parse_list( $value );
+			foreach ( $value as $index => $v ) {
-		foreach ( $value as $index => $v ) {
+				$value[ $index ] = rest_sanitize_value_from_schema( $v, $args['items'], $param . '[' . $index . ']' );
-			$value[ $index ] = rest_sanitize_value_from_schema( $v, $args['items'] );
+			}
 		}
-		// Normalize to numeric array so nothing unexpected
-		// is in the keys.
+		if ( ! empty( $args['uniqueItems'] ) && ! rest_validate_array_contains_unique_items( $value ) ) {
-		$value = array_values( $value );
+			/* translators: 1: Parameter */
+			return new WP_Error( 'rest_invalid_param', sprintf( __( '%1$s has duplicate items.' ), $param ) );
+		}
 		return $value;
 	}
 	if ( 'object' === $args['type'] ) {
-		if ( $value instanceof stdClass ) {
+		$value = rest_sanitize_object( $value );
-			$value = (array) $value;
-		}
-		if ( ! is_array( $value ) ) {
-			return array();
-		}
 		foreach ( $value as $property => $v ) {
 			if ( isset( $args['properties'][ $property ] ) ) {
-				$value[ $property ] = rest_sanitize_value_from_schema( $v, $args['properties'][ $property ] );
+				$value[ $property ] = rest_sanitize_value_from_schema( $v, $args['properties'][ $property ], $param . '[' . $property . ']' );
-			} elseif ( isset( $args['additionalProperties'] ) && false === $args['additionalProperties'] ) {
+			} elseif ( isset( $args['additionalProperties'] ) ) {
-				unset( $value[ $property ] );
+				if ( false === $args['additionalProperties'] ) {
+					unset( $value[ $property ] );
+				} elseif ( is_array( $args['additionalProperties'] ) ) {
+					$value[ $property ] = rest_sanitize_value_from_schema( $v, $args['additionalProperties'], $param . '[' . $property . ']' );
+				}
 			}
 		}
 		return $value;
+	}
+	if ( 'null' === $args['type'] ) {
+		return null;
 	}
 	if ( 'integer' === $args['type'] ) {
 		return (int) $value;
 	}
 	if ( 'boolean' === $args['type'] ) {
 		return rest_sanitize_boolean( $value );
 	}
-	if ( isset( $args['format'] ) ) {
+	// This behavior matches rest_validate_value_from_schema().
+	if ( isset( $args['format'] )
+		&& ( ! isset( $args['type'] ) || 'string' === $args['type'] || ! in_array( $args['type'], $allowed_types, true ) )
+	) {
 		switch ( $args['format'] ) {
+			case 'hex-color':
+				return (string) sanitize_hex_color( $value );
 			case 'date-time':
 				return sanitize_text_field( $value );
 			case 'email':
-				/*
+				// sanitize_email() validates, which would be unexpected.
-				 * sanitize_email() validates, which would be unexpected.
-				 */
 				return sanitize_text_field( $value );
 			case 'uri':
 				return esc_url_raw( $value );
 			case 'ip':
 				return sanitize_text_field( $value );
+			case 'uuid':
+				return sanitize_text_field( $value );
 		}
 	}
 	if ( 'string' === $args['type'] ) {
 		return strval( $value );
 * Append result of internal request to REST API for purpose of preloading data to be attached to a page.
 * Expected to be called in the context of `array_reduce`.
 *
 * @since 5.0.0
 *
-* @param  array  $memo Reduce accumulator.
+* @param array  $memo Reduce accumulator.
-* @param  string $path REST API path to preload.
+* @param string $path REST API path to preload.
-* @return array        Modified reduce accumulator.
+* @return array Modified reduce accumulator.
 */
 function rest_preload_api_request( $memo, $path ) {
-	// array_reduce() doesn't support passing an array in PHP 5.2, so we need to make sure we start with one.
+	// array_reduce() doesn't support passing an array in PHP 5.2,
+	// so we need to make sure we start with one.
 	if ( ! is_array( $memo ) ) {
 		$memo = array();
 	}
 	if ( empty( $path ) ) {
 	$response = rest_do_request( $request );
 	if ( 200 === $response->status ) {
 		$server = rest_get_server();
 		$data   = (array) $response->get_data();
-		$links  = $server->get_compact_response_links( $response );
+		$links  = $server::get_compact_response_links( $response );
 		if ( ! empty( $links ) ) {
 			$data['_links'] = $links;
 		}
 		if ( 'OPTIONS' === $method ) {
 		}
 	}
 	return $memo;
 }
+/**
+* Parses the "_embed" parameter into the list of resources to embed.
+*
+* @since 5.4.0
+*
+* @param string|array $embed Raw "_embed" parameter value.
+* @return true|string[] Either true to embed all embeds, or a list of relations to embed.
+*/
+function rest_parse_embed_param( $embed ) {
+	if ( ! $embed || 'true' === $embed || '1' === $embed ) {
+		return true;
+	}
+	$rels = wp_parse_list( $embed );
+	if ( ! $rels ) {
+		return true;
+	}
+	return $rels;
+}
+/**
+* Filters the response to remove any fields not available in the given context.
+*
+* @since 5.5.0
+*
+* @param array|object $data    The response data to modify.
+* @param array        $schema  The schema for the endpoint used to filter the response.
+* @param string       $context The requested context.
+* @return array|object The filtered response data.
+*/
+function rest_filter_response_by_context( $data, $schema, $context ) {
+	if ( ! is_array( $data ) && ! is_object( $data ) ) {
+		return $data;
+	}
+	if ( isset( $schema['type'] ) ) {
+		$type = $schema['type'];
+	} elseif ( isset( $schema['properties'] ) ) {
+		$type = 'object'; // Back compat if a developer accidentally omitted the type.
+	} else {
+		return $data;
+	}
+	$is_array_type  = 'array' === $type || ( is_array( $type ) && in_array( 'array', $type, true ) );
+	$is_object_type = 'object' === $type || ( is_array( $type ) && in_array( 'object', $type, true ) );
+	if ( $is_array_type && $is_object_type ) {
+		if ( rest_is_array( $data ) ) {
+			$is_object_type = false;
+		} else {
+			$is_array_type = false;
+		}
+	}
+	$has_additional_properties = $is_object_type && isset( $schema['additionalProperties'] ) && is_array( $schema['additionalProperties'] );
+	foreach ( $data as $key => $value ) {
+		$check = array();
+		if ( $is_array_type ) {
+			$check = isset( $schema['items'] ) ? $schema['items'] : array();
+		} elseif ( $is_object_type ) {
+			if ( isset( $schema['properties'][ $key ] ) ) {
+				$check = $schema['properties'][ $key ];
+			} elseif ( $has_additional_properties ) {
+				$check = $schema['additionalProperties'];
+			}
+		}
+		if ( ! isset( $check['context'] ) ) {
+			continue;
+		}
+		if ( ! in_array( $context, $check['context'], true ) ) {
+			if ( $is_array_type ) {
+				// All array items share schema, so there's no need to check each one.
+				$data = array();
+				break;
+			}
+			if ( is_object( $data ) ) {
+				unset( $data->$key );
+			} else {
+				unset( $data[ $key ] );
+			}
+		} elseif ( is_array( $value ) || is_object( $value ) ) {
+			$new_value = rest_filter_response_by_context( $value, $check, $context );
+			if ( is_object( $data ) ) {
+				$data->$key = $new_value;
+			} else {
+				$data[ $key ] = $new_value;
+			}
+		}
+	}
+	return $data;
+}
+/**
+* Sets the "additionalProperties" to false by default for all object definitions in the schema.
+*
+* @since 5.5.0
+*
+* @param array $schema The schema to modify.
+* @return array The modified schema.
+*/
+function rest_default_additional_properties_to_false( $schema ) {
+	$type = (array) $schema['type'];
+	if ( in_array( 'object', $type, true ) ) {
+		if ( isset( $schema['properties'] ) ) {
+			foreach ( $schema['properties'] as $key => $child_schema ) {
+				$schema['properties'][ $key ] = rest_default_additional_properties_to_false( $child_schema );
+			}
+		}
+		if ( ! isset( $schema['additionalProperties'] ) ) {
+			$schema['additionalProperties'] = false;
+		}
+	}
+	if ( in_array( 'array', $type, true ) ) {
+		if ( isset( $schema['items'] ) ) {
+			$schema['items'] = rest_default_additional_properties_to_false( $schema['items'] );
+		}
+	}
+	return $schema;
+}
+/**
+* Gets the REST API route for a post.
+*
+* @since 5.5.0
+*
+* @param int|WP_Post $post Post ID or post object.
+* @return string The route path with a leading slash for the given post, or an empty string if there is not a route.
+*/
+function rest_get_route_for_post( $post ) {
+	$post = get_post( $post );
+	if ( ! $post instanceof WP_Post ) {
+		return '';
+	}
+	$post_type = get_post_type_object( $post->post_type );
+	if ( ! $post_type ) {
+		return '';
+	}
+	$controller = $post_type->get_rest_controller();
+	if ( ! $controller ) {
+		return '';
+	}
+	$route = '';
+	// The only two controllers that we can detect are the Attachments and Posts controllers.
+	if ( in_array( get_class( $controller ), array( 'WP_REST_Attachments_Controller', 'WP_REST_Posts_Controller' ), true ) ) {
+		$namespace = 'wp/v2';
+		$rest_base = ! empty( $post_type->rest_base ) ? $post_type->rest_base : $post_type->name;
+		$route     = sprintf( '/%s/%s/%d', $namespace, $rest_base, $post->ID );
+	}
+	/**
+	 * Filters the REST API route for a post.
+	 *
+	 * @since 5.5.0
+	 *
+	 * @param string  $route The route path.
+	 * @param WP_Post $post  The post object.
+	 */
+	return apply_filters( 'rest_route_for_post', $route, $post );
+}
+/**
+* Gets the REST API route for a term.
+*
+* @since 5.5.0
+*
+* @param int|WP_Term $term Term ID or term object.
+* @return string The route path with a leading slash for the given term, or an empty string if there is not a route.
+*/
+function rest_get_route_for_term( $term ) {
+	$term = get_term( $term );
+	if ( ! $term instanceof WP_Term ) {
+		return '';
+	}
+	$taxonomy = get_taxonomy( $term->taxonomy );
+	if ( ! $taxonomy ) {
+		return '';
+	}
+	$controller = $taxonomy->get_rest_controller();
+	if ( ! $controller ) {
+		return '';
+	}
+	$route = '';
+	// The only controller that works is the Terms controller.
+	if ( 'WP_REST_Terms_Controller' === get_class( $controller ) ) {
+		$namespace = 'wp/v2';
+		$rest_base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
+		$route     = sprintf( '/%s/%s/%d', $namespace, $rest_base, $term->term_id );
+	}
+	/**
+	 * Filters the REST API route for a term.
+	 *
+	 * @since 5.5.0
+	 *
+	 * @param string  $route The route path.
+	 * @param WP_Term $term  The term object.
+	 */
+	return apply_filters( 'rest_route_for_term', $route, $term );
+}
+/**
+* Gets the REST route for the currently queried object.
+*
+* @since 5.5.0
+*
+* @return string The REST route of the resource, or an empty string if no resource identified.
+*/
+function rest_get_queried_resource_route() {
+	if ( is_singular() ) {
+		$route = rest_get_route_for_post( get_queried_object() );
+	} elseif ( is_category() || is_tag() || is_tax() ) {
+		$route = rest_get_route_for_term( get_queried_object() );
+	} elseif ( is_author() ) {
+		$route = '/wp/v2/users/' . get_queried_object_id();
+	} else {
+		$route = '';
+	}
+	/**
+	 * Filters the REST route for the currently queried object.
+	 *
+	 * @since 5.5.0
+	 *
+	 * @param string $link The route with a leading slash, or an empty string.
+	 */
+	return apply_filters( 'rest_queried_resource_route', $route );
+}

changeset 16	a86126ab1dd4
parent 13	d255fe9cd479
child 18	be944660c56a