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

Rebuilding cache in Drupal Console or Drush

Drupal utilizes caching to store plugin definitions, routes, and so on. When you add a new plugin definition or a new route, you need to rebuild Drupal's cache for it to be recognized.

Rebuilding the cache over the command line is also more performant than using the user interface since it does not use web server resources to execute the cache rebuild.

In this recipe, we will walk you through using both Drush and Drupal Console to clear various cache bins in Drupal. It is important to know how to clear specific cache bins so that you do not need to rebuild everything, if possible.

How to do it…

  1. Open a terminal and navigate to an installed Drupal directory.
  2. We use the cache-rebuild command in Drush to rebuild all of Drupal's caches, including routes:
$ drush cache-rebuild
Cache rebuild complete.
  1. In Drupal Console, we use the cache:rebuild command to clear specific cache bins. The input uses autocomplete to help specify a specific cache bin to clear. In...