protected function sort_callback_params( $callback, $provided ) {
		if ( is_array( $callback ) ) {
			$ref_func = new ReflectionMethod( $callback[0], $callback[1] );
		} else {
			$ref_func = new ReflectionFunction( $callback );
		}

		$wanted = $ref_func->getParameters();
		$ordered_parameters = array();

		foreach ( $wanted as $param ) {
			if ( isset( $provided[ $param->getName() ] ) ) {
				// We have this parameters in the list to choose from
				if ( 'data' == $param->getName() ) {
					$ordered_parameters[] = $provided[ $param->getName() ];
					continue;
				}

				$ordered_parameters[] = $this->urldecode_deep( $provided[ $param->getName() ] );
			} elseif ( $param->isDefaultValueAvailable() ) {
				// We don't have this parameter, but it's optional
				$ordered_parameters[] = $param->getDefaultValue();
			} else {
				// We don't have this parameter and it wasn't optional, abort!
				return new WP_Error( 'woocommerce_api_missing_callback_param', sprintf( __( 'Missing parameter %s', 'woocommerce' ), $param->getName() ), array( 'status' => 400 ) );
			}
		}

		return $ordered_parameters;
	}