Book Image

Building RESTful Web Services with PHP 7

By : Waheed ud din
Book Image

Building RESTful Web Services with PHP 7

By: Waheed ud din

Overview of this book

REST is the most wide spread and effective standard to develop APIs for internet services. With the way PHP and its eco-system has modernized the way code is written by simplifying various operations, it is useful to develop RESTful APIs with PHP 7 and modern tools. This book explains in detail how to create your own RESTful API in PHP 7 that can be consumed by other users in your organization. Starting with a brief introduction to the fundamentals of REST architecture and the new features in PHP 7, you will learn to implement basic RESTful API endpoints using vanilla PHP. The book explains how to identify flaws in security and design and teach you how to tackle them. You will learn about composer, Lumen framework and how to make your RESTful API cleaner, secure and efficient. The book emphasizes on automated tests, teaches about different testing types and give a brief introduction to microservices which is the natural way forward. After reading this book, you will have a clear understanding of the REST architecture and you can build a web service from scratch.
Table of Contents (16 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback

Group use declarations

Classes, functions, and constants, which are in the same namespace, can now imported in a single use statement. Previously, multiple use statements were required for that. Here is an example to understand it better:

// use statement in Pre-PHP7 code
use abc\namespace\ClassA;
use abc\namespace\ClassB;
use abc\namespace\ClassC as C;

use function abc\namespace\funcA;
use function abc\namespace\funcB;
use function abc\namespace\funcC;

use const abc\namespace\ConstA;
use const abc\namespace\ConstB;
use const abc\namespace\ConstC;

// PHP 7+ code
use abc\namespace\{ClassA, ClassB, ClassC as C};
use function abc\namespace\{funcA, funcB, funcC};
use const abc\namespace\{ConstA, ConstB, ConstC};

As you can see from this example, how convenient the group use statement is, it is clearly visible. Curly braces with comma separated values are used to group values such as {classA, classB, classC as C}, resulting in the grouped use statement, instead of separately using...