Book Image

PHP 7 Programming Blueprints

By : Jose Palala, Martin Helmich
Book Image

PHP 7 Programming Blueprints

By: Jose Palala, Martin Helmich

Overview of this book

When it comes to modern web development, performance is everything. The latest version of PHP has been improvised and updated to make it easier to build for performance, improved engine execution, better memory usage, and a new and extended set of tools. If you’re a web developer, what’s not to love? This guide will show you how to make full use of PHP 7 with a range of practical projects that will not only teach you the principles, but also show you how to put them into practice. It will push and extend your skills, helping you to become a more confident and fluent PHP developer. You’ll find out how to build a social newsletter service, a simple blog with a search capability using Elasticsearch, as well as a chat application. We’ll also show you how to create a RESTful web service, a database class to manage a shopping cart on an e-commerce site and how to build an asynchronous microservice architecture. With further guidance on using reactive extensions in PHP, we’re sure that you’ll find everything you need to take full advantage of PHP 7. So dive in now!
Table of Contents (15 chapters)
PHP 7 Programming Blueprints
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Preface
4
Build a Simple Blog with Search Capability using Elasticsearch

Separation of Concerns


In a proper MVC architecture, we need to separate the view from the models that get our data, and the controllers will be responsible for handling business logic.

In our simple app, we will skip the controller layer since we just want to display the user profiles in one public facing page. The preceding function is also known as the template render part in an MVC architecture.

While there are frameworks available for PHP that use the MVC architecture out of the box, for now we can stick to what we have and make it work.

PHP frameworks can benefit a lot from the null coalesce operator. In some codes that I've worked with, we used to use the ternary operator a lot, but still had to add more checks to ensure a value was not falsy.

Furthermore, the ternary operator can get confusing, and takes some getting used to. The other alternative is to use the isSet function. However, due to the nature of the isSet function, some falsy values will be interpreted by PHP as being a set.