WP-API / WP-API

			'default'            => array(),

			'sanitize_callback'  => 'wp_parse_id_list',

		);

		if ( ! $taxonomy->hierarchical ) {

			$query_params['offset'] = array(

				'description'        => __( 'Offset the result set by a specific number of items.' ),

				'type'               => 'integer',

				'sanitize_callback'  => 'absint',

				'validate_callback'  => 'rest_validate_request_arg',

			);

		}

		$query_params['order']      = array(

			'description'           => __( 'Order sort attribute ascending or descending.' ),

			'type'                  => 'string',

			'default'               => false,

			'validate_callback'     => 'rest_validate_request_arg',

		);

		if ( $taxonomy->hierarchical ) {

			$query_params['parent'] = array(

				'description'        => __( 'Limit result set to resources assigned to a specific parent.' ),

				'type'               => 'integer',

				'sanitize_callback'  => 'absint',

				'validate_callback'  => 'rest_validate_request_arg',

			);

		}

		$query_params['post'] = array(

			'description'           => __( 'Limit result set to resources assigned to a specific post.' ),

			'type'                  => 'integer',