'http://json-schema.org/draft-04/schema#', 'title' => static::IDENTIFIER, 'type' => 'object', 'properties' => $this->get_item_schema_properties(), ); } /** * Get the item response. * * @param mixed $item WordPress representation of the item. * @param WP_REST_Request $request Request object. * @param array $include_fields Fields to include in the response. * @return array The item response. */ abstract public function get_item_response( $item, WP_REST_Request $request, array $include_fields = array() ): array; /** * Return all properties for the item schema. * * @return array The schema properties. * @since 10.2.0 */ public function get_item_schema_properties(): array { return array(); } /** * Return all writable properties for the item schema. * * @return array The schema properties. * @since 10.2.0 */ public function get_writable_item_schema_properties(): array { return array_filter( $this->get_item_schema_properties(), array( $this, 'filter_writable_props' ) ); } /** * Filter schema properties to only return writable ones. * * @param array $schema The schema property to check. * @return bool True if the property is writable, false otherwise. * @since 10.2.0 */ protected function filter_writable_props( array $schema ): bool { return empty( $schema['readonly'] ); } }