Senior Drupal Developer Interview Questions and Answers

Taxonomy is a way to classify content in Drupal. Custom taxonomy allows for creating custom classification systems.

• Taxonomy in Drupal is a way to categorize and organize content through terms and vocabularies.

• Custom taxonomy allows for creating custom classification systems tailored to specific needs.

• For example, a website about animals may have a custom taxonomy called 'Habitat' with terms like 'Forest', 'Desert', and 'Ocean'.

Yes, I have experience with migrations in Drupal.

• I have worked on migrations in Drupal 7 and Drupal 8.

• I have used the Migrate module for migrating content from different sources.

• I have written custom migration scripts using YAML configuration files.

• I have migrated content types, fields, users, and taxonomy terms.

• I have handled data transformations and mappings during migrations.

• I have used Drush commands for running migrations and updating existing migrations.

Preprocess hook is a Drupal hook that allows developers to modify variables before they are rendered.

• Preprocess hooks are used to modify variables before they are displayed on a Drupal site.

• They are commonly used in theme development to customize the appearance of content.

• An example is hook_preprocess_node() which allows developers to modify variables for nodes before they are displayed.

Drush is a command line tool for managing Drupal websites. The command to clear cache is 'drush cr'.

• Drush is a command line tool for Drupal that allows developers to perform various tasks quickly and efficiently

• The command to clear cache in Drupal using Drush is 'drush cr'

• Drush can be used for tasks such as enabling/disabling modules, running database updates, clearing caches, and more

Git command for creating a new branch is 'git checkout -b <branch_name>'.

• Use 'git checkout -b <branch_name>' to create and switch to a new branch in one command.

• Make sure to replace <branch_name> with the desired name of the new branch.

• You can also create a new branch without switching to it by using 'git branch <branch_name>'.

A node is a fundamental building block in Drupal, representing a piece of content on a website.

• Nodes can be of different types, such as articles, pages, or custom content types.

• Each node has a unique ID, title, body, and other fields depending on its content type.

• Nodes can be organized into taxonomies, referenced by other nodes, and displayed in various ways on a website.

Pattern Lab is a tool for creating atomic design systems.

• Pattern Lab helps in creating and maintaining design systems.

• It promotes the use of atomic design principles.

• Allows for the creation of reusable components for web projects.

A view in Drupal is a customizable list of content items that can be displayed in various formats.

• Views allow users to filter, sort, and display content from the database.

• Views can be used to create lists, tables, grids, slideshows, and more.

• Views can also be used to create RSS feeds, search pages, and custom reports.