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Drupal 8 Module Development by Daniel Sipos

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Introduction to the Drupal access system

If you've been doing some site building in Drupal 8 or have experience with previous versions of Drupal, you may already know a thing or two about roles and permissions. If not, no need to worry, as we will talk a bit about how these work.

Essentially, one of the things that makes Drupal special is the flexible access system it has out of the box, based on user roles and permissions. Roles are attributes that can be given to a user. The latter can have multiple roles assigned, but always has at least the default "Authenticated User" role. Permissions are the individual access indicators that can be assigned to roles. By the transitive property, users have all the permissions assigned to the roles they ...

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