Book Image

Drupal 8 Development Cookbook - Second Edition

By : Matt Glaman
Book Image

Drupal 8 Development Cookbook - Second Edition

By: Matt Glaman

Overview of this book

Began as a message board, Drupal today is open source software maintained and developed by a community of over 1,000,000 users and developers. Drupal is used by numerous local businesses to global corporations and diverse organizations all across the globe. With Drupal 8’s exciting features it brings, this book will be your go-to guide to experimenting with all of these features through helpful recipes. We’ll start by showing you how to customize and configure the Drupal environment as per your requirements, as well as how to install third-party libraries and then use them in the Drupal environment. Then we will move on to creating blocks and custom modules with the help of libraries. We will show you how to use the latest mobile-first feature of Drupal 8, which will help you make your apps responsive across all the major platforms. This book will also show you how to incorporate multilingual facilities in your sites, use web services and third-party plugins with your applications from inside Drupal 8, and test and deploy your apps.
Table of Contents (20 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback


In Drupal, entities are a representation of data that has a specific structure. There are specific entity types, which have different bundles and fields attached to those bundles. Bundles are implementations of entities that can have fields attached to themselves. In terms of programming, you can consider an entity that supports bundles as an abstract class and each bundle as a class that extends that abstract class. The fields are added to bundles. This is part of the reasoning for the terminology: an entity type can contain a bundle of fields.

An entity is an instance of an entity type defined in Drupal. Drupal 8 provides two entity types: configuration and content. Configuration entities are not fieldable and represent a configuration within a site. Content entities are fieldable and can have bundles. Bundles are, most commonly, controlled through configuration entities.

In Drupal 8, there is an Entity API module. It was created in Drupal 7 to expand the entity subsystem; most...