New Post! Drupal 9: An Introduction To S ...

New Post! Drupal 9: An Introduction To Services And Dependency Injection

Aug 22, 2021

Drupal 8 and 9 are built upon services, with many parts of the system available through dependency injection, so it's important to understand the concepts. Services are a way to wrap objects and use dependency injection to produce a common interface. They are powerful and are used all over Drupal to do pretty much everything.

They can, however, be a little difficult for newcomers to the system to understand, especially if they are coming from Drupal 7 or other non-object oriented systems. When you look at some Drupal source code you are likely to see objects being created out of apparent thin air. It's a little hard to know where they come from if you aren't used to the how they work.

Read more here: https://www.hashbangcode.com/article/drupal-9-introduction-services-and-dependency-injection

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