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PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

By : Bierer
4.1 (8)
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PHP 7 Programming Cookbook

PHP 7 Programming Cookbook

4.1 (8)
By: 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

Using middleware to implement access control


As the name implies, middleware sits in the middle of a sequence of function or method calls. Accordingly, middleware is well suited for the task of "gate keeper". You can easily implement an Access Control List (ACL) mechanism with a middleware class that reads the ACL, and allows or denies access to the next function or method call in the sequence.

How to do it...

  1. Probably the most difficult part of the process is determining which factors to include in the ACL. For the purposes of illustration, let's say that our users are all assigned a level and a status. In this illustration, the level is defined as follows:

      'levels' => [0, 'BEG', 'INT', 'ADV']
  2. The status could indicate how far they are in the membership signup process. For example, a status of 0 could indicate they've initiated the membership signup process, but have not yet been confirmed. A status of 1 could indicate their e-mail address is confirmed, but they have not paid the monthly...

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PHP 7 Programming Cookbook
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