<?php namespace Coinbase\Wallet\Value; class Error { private $id; private $message; private $url; public function __construct($id, $message, $url = null) { $this->id = $id; $this->message = $message; $this->url = $url; } public function getId() { return $this->id; } public function getMessage() { return $this->message; } public function getUrl() { return $this->url; } public function __toString() { if ($this->url) { return sprintf('%s (%s)', $this->message, $this->url); } else { return (string) $this->message; } } }