Sometimes it is needed for a user to be redirected after registration. The user is not logged in yet, and has to go to a landing page with more instructions on verifying his e-mail.

By default drupal will take 600 characters to show your description. But you need to know that this setting is used to show in the metatags as well.

foreach (\Drupal::routeMatch()->getParameters() as $entity) {
  if ($entity instanceof \Drupal\Core\Entity\EntityInterface) {
    // here $entity is your object
  }
}

 

The forum module is a core module that was rewritten for drupal 8. In this snippet I show you how to create forum topics programmatically.

Drupal's default caching mechanism is to clear "all" cache. This is rather inefficiënt. There are options to clear specific caches only, here's how.