Drupal Drupal Module Development & API

Question 1

In Drupal module development, what file declares a module's name, description, and package for the admin UI?

Accepted Answer

module_name.info.yml

Answer

The .info.yml file is required for every Drupal module and defines its human-readable name, description, type, core_version_requirement, and package.

Question 2

Which Drupal API function is used to implement a hook that reacts after a node is saved?

Accepted Answer

hook_node_insert()

Answer

hook_node_insert() fires after a new node is saved to the database for the first time, while hook_node_update() fires on subsequent saves.

Question 3

What is the Drupal service container used for in module development?

Accepted Answer

Managing dependency injection of reusable service objects

Answer

Drupal's service container (built on Symfony's DependencyInjection component) manages service instantiation and dependency injection throughout custom code.

Question 4

Which Drupal class should a custom plugin implement to create a new Block plugin type?

Accepted Answer

\Drupal\Core\Block\BlockBase

Answer

Custom blocks extend BlockBase, which implements the BlockPluginInterface and provides build(), blockAccess(), and blockForm() scaffold methods.

Question 5

In Drupal's routing system, what file defines URL paths and their corresponding controller classes?

Accepted Answer

module_name.routing.yml

Answer

Routes are defined in the module's .routing.yml file, mapping URL paths to controller methods and specifying access requirements.

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Drupal Drupal Module Development & API