<?php namespace Stripe; // JsonSerializable only exists in PHP 5.4+. Stub if out if it doesn't exist if (interface_exists('\JsonSerializable', false)) { interface JsonSerializable extends \JsonSerializable { } } else { // PSR2 wants each interface to have its own file. // @codingStandardsIgnoreStart interface JsonSerializable { // @codingStandardsIgnoreEnd public function jsonSerialize(); } }