WP_REST_Menu_Items_Controller::get_item_schema() WordPress Method

	public function get_item_schema() {
		$schema = array(
			'$schema' => 'http://json-schema.org/draft-04/schema#',
			'title'   => $this->post_type,
			'type'    => 'object',
		);

		$schema['properties']['title'] = array(
			'description' => __( 'The title for the object.' ),
			'type'        => array( 'string', 'object' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'properties'  => array(
				'raw'      => array(
					'description' => __( 'Title for the object, as it exists in the database.' ),
					'type'        => 'string',
					'context'     => array( 'edit' ),
				),
				'rendered' => array(
					'description' => __( 'HTML title for the object, transformed for display.' ),
					'type'        => 'string',
					'context'     => array( 'view', 'edit', 'embed' ),
					'readonly'    => true,
				),
			),
		);

		$schema['properties']['id'] = array(
			'description' => __( 'Unique identifier for the object.' ),
			'type'        => 'integer',
			'default'     => 0,
			'minimum'     => 0,
			'context'     => array( 'view', 'edit', 'embed' ),
			'readonly'    => true,
		);

		$schema['properties']['type_label'] = array(
			'description' => __( 'Name of type.' ),
			'type'        => 'string',
			'context'     => array( 'view', 'edit', 'embed' ),
			'readonly'    => true,
		);

		$schema['properties']['type'] = array(
			'description' => __( 'The family of objects originally represented, such as "post_type" or "taxonomy".' ),
			'type'        => 'string',
			'enum'        => array( 'taxonomy', 'post_type', 'post_type_archive', 'custom' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'default'     => 'custom',
		);

		$schema['properties']['status'] = array(
			'description' => __( 'A named status for the object.' ),
			'type'        => 'string',
			'enum'        => array_keys( get_post_stati( array( 'internal' => false ) ) ),
			'default'     => 'publish',
			'context'     => array( 'view', 'edit', 'embed' ),
		);

		$schema['properties']['parent'] = array(
			'description' => __( 'The ID for the parent of the object.' ),
			'type'        => 'integer',
			'minimum'     => 0,
			'default'     => 0,
			'context'     => array( 'view', 'edit', 'embed' ),
		);

		$schema['properties']['attr_title'] = array(
			'description' => __( 'Text for the title attribute of the link element for this menu item.' ),
			'type'        => 'string',
			'context'     => array( 'view', 'edit', 'embed' ),
			'arg_options' => array(
				'sanitize_callback' => 'sanitize_text_field',
			),
		);

		$schema['properties']['classes'] = array(
			'description' => __( 'Class names for the link element of this menu item.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'string',
			),
			'context'     => array( 'view', 'edit', 'embed' ),
			'arg_options' => array(
				'sanitize_callback' => function ( $value ) {
					return array_map( 'sanitize_html_class', wp_parse_list( $value ) );
				},
			),
		);

		$schema['properties']['description'] = array(
			'description' => __( 'The description of this menu item.' ),
			'type'        => 'string',
			'context'     => array( 'view', 'edit', 'embed' ),
			'arg_options' => array(
				'sanitize_callback' => 'sanitize_text_field',
			),
		);

		$schema['properties']['menu_order'] = array(
			'description' => __( 'The DB ID of the nav_menu_item that is this item\'s menu parent, if any, otherwise 0.' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'type'        => 'integer',
			'minimum'     => 1,
			'default'     => 1,
		);

		$schema['properties']['object'] = array(
			'description' => __( 'The type of object originally represented, such as "category", "post", or "attachment".' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'type'        => 'string',
			'arg_options' => array(
				'sanitize_callback' => 'sanitize_key',
			),
		);

		$schema['properties']['object_id'] = array(
			'description' => __( 'The database ID of the original object this menu item represents, for example the ID for posts or the term_id for categories.' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'type'        => 'integer',
			'minimum'     => 0,
			'default'     => 0,
		);

		$schema['properties']['target'] = array(
			'description' => __( 'The target attribute of the link element for this menu item.' ),
			'type'        => 'string',
			'context'     => array( 'view', 'edit', 'embed' ),
			'enum'        => array(
				'_blank',
				'',
			),
		);

		$schema['properties']['type_label'] = array(
			'description' => __( 'The singular label used to describe this type of menu item.' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'type'        => 'string',
			'readonly'    => true,
		);

		$schema['properties']['url'] = array(
			'description' => __( 'The URL to which this menu item points.' ),
			'type'        => 'string',
			'format'      => 'uri',
			'context'     => array( 'view', 'edit', 'embed' ),
			'arg_options' => array(
				'validate_callback' => static function ( $url ) {
					if ( '' === $url ) {
						return true;
					}

					if ( esc_url_raw( $url ) ) {
						return true;
					}

					return new WP_Error(
						'rest_invalid_url',
						__( 'Invalid URL.' )
					);
				},
			),
		);

		$schema['properties']['xfn'] = array(
			'description' => __( 'The XFN relationship expressed in the link of this menu item.' ),
			'type'        => 'array',
			'items'       => array(
				'type' => 'string',
			),
			'context'     => array( 'view', 'edit', 'embed' ),
			'arg_options' => array(
				'sanitize_callback' => function ( $value ) {
					return array_map( 'sanitize_html_class', wp_parse_list( $value ) );
				},
			),
		);

		$schema['properties']['invalid'] = array(
			'description' => __( 'Whether the menu item represents an object that no longer exists.' ),
			'context'     => array( 'view', 'edit', 'embed' ),
			'type'        => 'boolean',
			'readonly'    => true,
		);

		$taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) );

		foreach ( $taxonomies as $taxonomy ) {
			$base                          = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
			$schema['properties'][ $base ] = array(
				/* translators: %s: taxonomy name */
				'description' => sprintf( __( 'The terms assigned to the object in the %s taxonomy.' ), $taxonomy->name ),
				'type'        => 'array',
				'items'       => array(
					'type' => 'integer',
				),
				'context'     => array( 'view', 'edit' ),
			);

			if ( 'nav_menu' === $taxonomy->name ) {
				$schema['properties'][ $base ]['type'] = 'integer';
				unset( $schema['properties'][ $base ]['items'] );
			}
		}

		$schema['properties']['meta'] = $this->meta->get_field_schema();

		$schema_links = $this->get_schema_links();

		if ( $schema_links ) {
			$schema['links'] = $schema_links;
		}

		return $this->add_additional_fields_schema( $schema );
	}