October 2017
Intermediate to advanced
566 pages
14h 31m
English
Content preview from Drupal 8 Module Development
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Fields
The principle way data is modeled by entities is through fields. Entities themselves are essentially just a collection of different types of fields which hold various types of data.
Drupal 7 developers will remember that in D7, entities had two types of fields, usually referred to as properties and Field UI fields. The former were essentially simple properties on the entity class and were stored in the entity table itself. The latter were fields that were attached to bundles through the UI and had separate database tables.
Things are somewhat similar in Drupal 8 but also very different. First of all, we make a big difference between the fields that belong to content versus configuration entities. Then, as in D7, we still make a distinction ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.