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  • Book Overview & Buying PHP 7 Programming Cookbook
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PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

By : Doug Bierer
4.1 (8)
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PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

4.1 (8)
By: Doug Bierer

Overview of this book

PHP 7 comes with a myriad of new features and great tools to optimize your code and make your code perform faster than in previous versions. Most importantly, it allows you to maintain high traffic on your websites with low-cost hardware and servers through a multithreading web server. This book demonstrates intermediate to advanced PHP techniques with a focus on PHP 7. Each recipe is designed to solve practical, real-world problems faced by PHP developers like yourself every day. We also cover new ways of writing PHP code made possible only in version 7. In addition, we discuss backward-compatibility breaks and give you plenty of guidance on when and where PHP 5 code needs to be changed to produce the correct results when running under PHP 7. This book also incorporates the latest PHP 7.x features. By the end of the book, you will be equipped with the tools and skills required to deliver efficient applications for your websites and enterprises.
Table of Contents (16 chapters)
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15
Index

Developing a PSR-7 Request class

One of the key characteristics of PSR-7 middleware is the use of Request and Response classes. When applied, this enables different blocks of software to perform together without sharing any specific knowledge between them. In this context, a request class should encompass all aspects of the original user request, including such items as browser settings, the original URL requested, parameters passed, and so forth.

How to do it...

  1. First, be sure to define classes to represent the Uri, Stream, and UploadedFile value objects, as described in the previous recipe.
  2. Now we are ready to define the core Application\MiddleWare\Message class. This class consumes Stream and Uri and implements Psr\Http\Message\MessageInterface. We first define properties for the key value objects, including those representing the message body (that is, a StreamInterface instance), version, and HTTP headers:
    namespace Application\MiddleWare;
    use Psr\Http\Message\ { 
      MessageInterface, ...
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PHP 7 Programming Cookbook
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