事件驱动的架构和PHP中的钩子 [英] Event-driven architecture and hooks in PHP
问题描述
我正在计划开发一个具有PHP后端以与数据存储库进行通信的游戏.我对此进行了思考，并得出结论，我们的游戏遵循的最佳设计范例是事件驱动的.我希望拥有一个成就系统(类似于该网站的徽章系统)，并且基本上，我希望能够将这些成就检查"挂钩到游戏中发生的许多不同事件中.即:
I am planning on working on a game that has a PHP back-end to communicate with the data repository. I was thinking about it and concluded that the best design paradigm to follow for our game would be event driven. I am looking to have an achievement system (similar to the badges system of this website) and basically I would like to be able to hook these "achievement checks" into a number of different events that occur in the game. ie:
当用户执行操作X时，将钩子Y触发，并调用所有附加功能以核对成就要求.
When a user does action X hook Y is fired and all attached functions are called to check against an achievement requirement.
在构建这样的体系结构时，我将允许轻松添加新的成就，因为我要做的就是将检查功能添加到适当的钩子中，其他所有内容都将落入原处.
In structuring the architecture like this I will allow for new achievements to be added easily as all I will have to do is add the checking function to the proper hook and everything else will fall into place.
我不确定这是否是我打算做的很好的解释，但是无论如何我都在寻找以下内容:
I'm not sure if this is a great explanation of what I intend to do, but in any case I am looking for the following:
- 有关如何编写事件驱动的应用程序的良好参考材料
- 显示如何在PHP函数中放置挂钩"的代码段
- 显示如何将功能附加到第2点提到的挂钩"的代码段
对于如何完成2)和3)，我有一些想法，但我希望对此事精通的人能为您提供一些最佳实践的机会.
I have a few ideas as to how to accomplish 2) and 3) but I was hoping that somebody well-versed in the matter could shed some light on best practices.
提前谢谢！
推荐答案
有关如何编写事件驱动的应用程序的良好参考材料
Good reference material on how to code an event-driven application
您可以使用哑"回调(或实施事件驱动的应用程序中经常使用的模式: 观察者模式 .
Or implementing a pattern often used in event-driven applications: Observer Pattern.
显示如何在PHP函数中放置钩子"的代码段
Code snippet(s) showing how to put a "hook" in a function in PHP
上面的手动链接(回调可以存储到变量中)和一些观察者模式的PHP代码示例.
The manual link above (callbacks can be stored into a variable) and some PHP code examples for the Observer Pattern.
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