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Package request-handler
Short Description The PSR-15 request handler.
License Apache-2.0
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Informations about the package request-handler
Constanze standard request handler
PSR-15 请求处理程序
The PSR-15 request handler.
简介
这时是一个遵循 PSR-15 标准的请求与中间件处理器，用于构建中间件应用程序，并派发请求。
安装
composer require constanze-standard/request-handler
开始使用
Request handler 需要和 PSR-7 标准结合使用，我们的示例使用 guzzlehttp/psr7, 你可能需要首先安装它，当然，你也可以选择使用自己熟悉的 psr/http-message 实现方案。
首先需要定义一个 PSR-15 RequestHandler 作为应用程序的核心初始化派发器 Dispatcher。
现在我们可以向派发器添加中间件了，中间件必须实现 psr/http-server-middleware 提供的 \Psr\Http\Server\MiddlewareInterface.
调用 addMiddleware 方法，将中间件按照从内向外的顺序添加到派发器中。
DIspatcher 在内部构建了一个栈结构的中间件应用，当添加一个中间件时，相当于向栈的外层做了 push 操作。
之后，我们触发 request handler, 通过 Dispatcher::handle 方法，自动的由栈的外层向内层依次调用，最终得到核心 handler 所返回的 response 对象。
