Book Image

PHP 7 Programming Cookbook

By : Doug Bierer
Book Image

PHP 7 Programming Cookbook

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 (22 chapters)
PHP 7 Programming Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Creating a simple SOAP client


Using SOAP, in contrast to the process of implementing a REST client or server, is quite easy as there is a PHP SOAP extension that provides both capabilities.

Note

A frequently asked question is "what is the difference between SOAP and REST?" SOAP uses XML internally as its data format. SOAP uses HTTP but only for transport, and otherwise has no awareness of other HTTP methods. REST directly operates HTTP, and can use anything for data formats, but JSON is preferred. Another key difference is that SOAP can operate in conjunction with a WSDL, which makes the service self-describing, thus more publicly available. Thus, SOAP services are often offered by public institutions such as national health organizations.

How to do it...

For this example, we will make a SOAP request for an existing SOAP service offered by the United States National Weather service:

  1. The first consideration is to identify the WSDL document. The WSDL is an XML document that describes the service...